Wednesday, July 31, 2019

Peter Green’s first day Essay

Get the order from Bob Franklin. In order to get the order, Peter has to face the problem of â€Å"freight cost†. Secondary contradiction for Peter Green: 1) His supervisor, John Murphy makes no bones about his scorn for the new breed of salespeople at Scott Carpet, such as Peter himself. 2) Tiff with John Murphy. How to deal with the principal contradiction for Peter Green As Peter Green has to face his ethical principle of no lies, he cannot bear from lying to the front office or he will encounter a faith breaking. That leaves only choice is to satisfy Bob Franklin in order to not lose the commission, at the same time, not breaking his ethical rules. There is one way to finish the task and benefit both sides. Peter could ask the company to bring forward a preferential strategy that all the firms that have a long-term partnership with Scott Carpets (Such as Peabody Rug) will be given a certain credit according to the size of the order. In that kind of strategy, Peter will not need to face the dilemma and Bob get what he wants. It’s a win-win situation, job done. Conspiracy? Let’s say it’s an overt one. Whatever happened in system, stayed in system, and solve in system. How to deal with the secondary contradiction for Peter Green First thing, be nice to John Murphy, whatever it’s from the bottom of the heart or act according to circumstance. Show some respect to the supervisors. Secondly, do everything nicely, keep follow the ethic rules but learn to be adaptable. Last but not least, play the overt one, not conspiracy. What if the company doesn’t agree with the new strategy? As to the character of John Murphy, it’s easy to tell his arrogance. By that case, Peter’s new idea may face a very dangerous situation. As the rule â€Å"Whatever happened in system, stayed in system, and solved in system†, Peter cannot bypass the immediate leader (John Murphy) to do the report. By that case, he has to endure hardships (agree with his BOSS John Murphy and show the loyalty to him) to wait the promotion comes. When he gets promoted to, let’s say, District Manager, he can change the rules and play his game.

Tuesday, July 30, 2019

Effective Working Knowledge of the Health Insurance Portability and Accountability Act (Hipaa) Essay

In case of a late entry (addendum) in one, shadow chart or independent database, that is used to add information to a previous entry must have the title addendum, date, time, the reasons of creating the addendum referring back to the original entry (Legal Medical Records Standards). Information technology staff can help decrease incidents of security breaches by implementing screen protectors in all computers, by providing logging accreditation to all personnel, by using network security software and hardware, by monitoring the safety of the network and by educating, reporting and enforcing any HIPAA violation. In case of disclosure of unauthorized protected medical information such as providing a copy of medical records to a friend of a patient without written authorization from the patient may result in fines and imprisonment to the institution and individuals involved in such HIPAA violation. HIPAA defines as criminal the use or disclosure (by individuals or institutions) of confidential medical information of a patient for any other purposes than treatment, payment, or health care operations. Such violations carry fines and/or imprisonment (Privacy, Security, and Confidentiality). According to the Montana Code 41-1-402 the healthcare provider can obtain a legal consent for prevention, diagnosis or treatment from a minor (without adult supervision) if the minor is graduated from high school, have a child, lives alone and supports him (her) self, is pregnant, infected with a infectious disease, is under the influence of alcohol or drugs. In the case of pregnancy, sexually transmitted diseases or substance abuse the healthcare provider is obligated to provide counseling to the minor or refer the minor for counseling. Finally, in case of emergency the health provider can provide emergency care without consent and must inform the parents or legal guardians as soon as possible. One situation from Montana Code 50-16-603x which may result in a legal claim against the organization can be if the health care provider fails to report any communicable disease (such as tuberculosis) to the proper authorities; resulting in a potential health risk to the population and penalties to the organization and health care provider which committed such HIPAA violation. In the case of a minor unable to consent or make decisions (due to a mental condition or conscious state) and the absence of parents or legal guardians, two medical doctor must make all medical decisions on his behalf including cardio pulmonary resuscitation and termination of life support. Montana codes are in agreement with HIPAA laws in the following clauses regarding release of personal health information (PHI). According to HIPAA’s Privacy Rule the individual has the right to inspect and request a copy of his PHI upon a writing authorization. Under HIPAA law the healthcare provider can share PHI information with public health authorities for public health purposes such as prevention, statistics, research and education. Under HIPAA law the health care provider may share PHI to business associates for treatment, payment and healthcare operations (HIPAA Privacy Rule and Public Health). 2. (c) A health care provider may deny access to health care information by a patient mentally impaired by disease, medications, drugs or alcohol used at the moment of the request References Legal Medical Records Standards, Annotated 2008. Retrieved from www. ucop. edu/ucophome/coordrev/†¦ /legal-medical-record-policy. p†¦ Montana Code, Annotated 2009. Retrieved from http://data. opi. mt. gov/bills/MCA_toc/index. htm Privacy, Security, and Confidentiality. Retrieved from http://www. ahima. org/resources/psc. aspx HIPAA Privacy Rule and Public Health â€Å"Guidance from CDC and the U. S. Department of Health and Human Services â€Å"Annotated 2003. Retrieved from http://www. cdc. gov/mmwr/preview/mmwrhtml/m2e411a1. htm

Monday, July 29, 2019

The Battle of Tours Essay Example | Topics and Well Written Essays - 1000 words

The Battle of Tours - Essay Example The Battle of Tours occurred in October of 732. The participants were the Frankish leader Charles Martel and Abdul Rahman Al Ghafiqi of the Umayyad Empire. The Franks were one of the first Germanic tribes to convert to Christianity and the Umayyad Empire was the strongest Muslim empire of the day. The Franks were located in Central and Eastern France. They forged a close alliance with the remnants of the Christian Church located in Rome. The Church helped provide money so that Charles Martel could train his soldiers year round. This was necessary because of the advances of the Muslim Caliphate into Western Europe (Wood, 1999). The Umayyad Empire was established after the original Muslim Empire founded by the Rightly Guided Caliphs collapsed. The Umayyad Empire conquered the whole of the old Persian Empire, much of the Byzantine Empire and all of Northern Africa. They crossed the Straits of Gibraltar and slowly conquered the while of the Iberian Peninsula. Ever seeking to expand the E mpire and Islam, general Abdul Rahman Al Ghafiqi built upon the acquisition of lands on the other side of the Pyrenees Mountains. His plan was to push North and East, eventually surrounding Rome and ending the presence of Christianity in Western Europe. The only army that was large enough to withstand the assault of the Muslim invaders was that of Charles Martel (Cantor, 1994). Rome was still reeling from the German invasions of the century before. The Roman Empire was defunct, so Charles Martel and his army of 30-40 thousand soldiers was the last line of defense for European Christianity. Some historians today argue that the Battle of Tours is overrated. They say that it was really nothing more than the defeat of a small Muslim exploratory party. The fact is Muslim and Christian historians and chroniclers of the battle have produced many sources that dispute these modern day historians. The Battle of Tours was very important for the history of Christianity. Part of the reason Charl es Martel was able to win the Battle of Tours was the element of surprise. The Franks had leaned from experience that the only way they could battle the military might of the Umayyad forces was to catch them overconfident and off guard. Duke Odo had done this nearly two decades earlier at the Battle of Toulouse. Under siege, he surprised the Muslim warriors with a counter attack that took advantage of their sloppy preparation and overconfidence. It was Odo’s recent defeat on the battlefield that convinced Charles Martel to organize his troops for a surprise attack on the invaders. After forcing a pledge of allegiance from Odo, Martel began the expansion of the Carolingian empire by organizing his troops for counterattack against the Umayyad troops. Charles Martel organized his troops on a semi-wooded hillside near where two small rivers converged in the Loire valley. He needed this place because it gave him the high ground and the trees provided cover for his troops. The tree s served the purpose of breaking up the charges by the Umayyad cavalry and concealing the true number of his troops. When the Muslim troops arrived in the plain at the food of the plateau he occupied, they were completely surprised to see their way blocked by the Franks. One stroke of luck enjoyed by Charles Martel was the fact that the rapid advancement of the Umayyad troops up the Loire valley had separated them from their supply chain. As a result, the entire army had broken into several

Sunday, July 28, 2019

RESEARCH paper Essay Example | Topics and Well Written Essays - 1000 words

RESEARCH paper - Essay Example The factors that affect forestry and the significance of forests will be discussed in this paper. This paper will also tackle the different types of forests. Forests are mostly dominated by trees amongst other plants. Some of the plants are tall and others are short. Most of the plants have features that help them adapt to the several conditions that are presented in the different types of forests (Green). Forests have sufficient amount of water. A majority of the forests receive sufficient amounts of rain that help in the growth of the plants and support the animals that live in the forests (Green). The rain water forms ponds and streams. Forests offer great biodiversity due to the fact that it acts as a habitat to many habitants. The forest has several foods and shelters that support the habitants that reside in the various forests (Green).Forest canopy is a characteristic that is found in different forests (Green). The canopy differs in the different types of forests due to the fact that the nutrients found in forests differ. Tropical forests are densely populated and are found near the equator. In this type of forests winter is not present and the temperatures are normally between 68 and 77 degrees. These forests receive mostly receive 100 inches of rain in a year. The soils found in the tropical forests are very poor due to the high levels of rain and warm temperature. The plants that grow in these types of forests are normally broad-leafed and the trees are normally very tall. Due to the huge density of the trees the sun doesn’t reach the lower levels of the forest. This forces the animals that live in these forests to adapt to living in the trees (Green). These forests are normally found in eastern North America, northeastern Asia, parts of Russia, China, Japan, Western Europe and Eastern Europe. The trees that are found in these forests are normally deciduous and coniferous evergreen trees. The trees are

Saturday, July 27, 2019

MOVIE ANALYSIS Essay Example | Topics and Well Written Essays - 1000 words

MOVIE ANALYSIS - Essay Example rrios in Los Angeles, US where football was not given much importance hence, he felt that his dream to be a professional footballer would not be fulfilled and will remain a dream. Even his father felt that it will be an impossible task for him to become a professional footballer and hence, forced him to join the gardening business. With the turn of events, Glen Foy, an ex-footballer an a well wisher of Santiago manages to convince the Newcastle boss to watch Santiago’s play and give him a chance to play for the Newcastle team in England. The boss of Newcastle liked Santiago’s play and they wanted him to go to England to join the club but Santiago did not have the sufficient fund to go to England. His father had stolen his hidden fund to invest in his gardening business, but Santiago’s grandmother arranged the fund by selling off some of her jewelry. He had few initial failures in joining the club but eventually, joins the club but for that he had to hide the fact that he had asthma from the club officials. The asthma problem led him to lot of trouble and even his performance became poor. He was dropped from the club but with support of one of his teammates he regained his position in the club. He practiced very hard and finally got the chance to play for the team in a match against Fulham owing to the injuries of many key players. He utilized the opportunity and scored a goal from a penalty, which finally led Newcastle to win the match. His performance was watched by his father back home in US, who felt very proud about his son’s success. But unfortunately, Santiago’s father died of heart attack just before the important final match of Newcastle against Liverpool. This incident completely demoralized Santiago but he decided to stay back so that he can play in that match. Roz Harmison, who was the nurse of the club also became Santiago’s girlfriend, informed him that his friend Jamie had tore a ligament, and will never be able to play football anymore.

Friday, July 26, 2019

Report Child Labour Essay Example | Topics and Well Written Essays - 1250 words

Report Child Labour - Essay Example The last five are classified as the "worst forms" under the ILO Convention 182. (ILO 2002). The sheer enormity of the problem is mind boggling - It was estimated (UNICEF, 2005), that the global child labour force was for 5-14 and 15-17 were over 211 million and 141 million resp., of which over 97% were from the developing world. More than 180 Million children below 18 were involved in the "worst forms" of child labour. In the 43 countries of the world with an annual income of $500 or less per person, the percentage of children in child labour is usually between 30% and 60%, whilst in countries where income is between $500 and $1000 the percentage of child labourers drops to between 10% and 30%. They form a vicious circle, poverty giving rise to labour and labour perpetuating poverty. There are many causes of child labour. In developing countries, it is most often the need for additional income felt by both the parents and the child. Sometimes the child may work for only board and lodge in order to learn the trade as apprentices from a relative/ family friend. The family as an economic unit may also expect the child to chip in with its contribution at the shop, farm or small factory. Family breakdowns and natural calamities force children to take on the role of one or both parents to support themselves and their siblings. Trafficked children do not have the luxury of choice and very likely end up crossing borders illegally to be sold into the sex trade. It is also actively pursued by employers, since the children are cheap and obedient and can be easily coerced to work without benefits for low/no wages in the absence of adequate legal framework and infrastructure to determine the true age of children. In developed countries, children seek employment to secure financial independence from their parents. UNICEF, ILO, most NGOs and governments believe that child labour is exploitative and should be discouraged, since they perpetuate poverty. A contrary view is held by employers and sometimes parents in the developing countries, who genuinely believe that the local population benefits from this economic activity as their families would have suffered more in the absence of this activity. John Blundell (Blundell of the Institute of Economic Affairs who believes wholly in the efficacy of the free market argues: Child labour is not the modern invention of "globalisation". All farming has always used children. Scotland's school summer holidays exist not so everyone can fly down to the Spanish Costas, but so children are free to help with the harvest. To learn rural skills was the reality of education in most of human history. In more urban areas, the young would learn other appropriate skills. I believe that working in scruffy factories in Manila or Nairobi is an opportunity for the people involved. Making fashion garments or chic trainers for eventual sale on Princes Street offers far greater benevolence than the humbugging of overseas aid. Aid is famously described as a device by which the poor people in the West fund the rich of the Third World. But free trade in shirts transfers money from the rich

Production and Operations Management Term Paper

Production and Operations Management - Term Paper Example Taking four days to reach Louisiana Offshore Oil Port (LOOP), it further takes 10 days to reach Marathons Robinson, Ill refinery which is processed into gasoline, diesel, fuel, and other petroleum products such as fuel oil, kerosene, asphalt, jet fuel, tolvene, xylene, and benzene within 8 days in Phase III. The refined products are later shipped to Marathon owned terminals in further 8 days after which are stored for six days before being transported to jobbers, dealers or other convenience stores which are further transported to brand stations of Marathon. It should be noted that refined products are stored at the terminals for three to six days before being transported to various centres (www.marathonpetroleum.com). According to video, it takes almost 35 days to offer oil products to Americans and this could be reduced further if the storage time is limited to few days or may even directly transport the products to jobbers, dealers, convenience stores and brand stations of Maratho n. Hence, Phase V could be improved to reduce the time for supply of oil fuels in the United States. 2) In order to understand the relationship between the retail price of gasoline and the world demand for crude oil, it is necessary apply the law of demand to the problem. According to the law demand, when price raises, the demand for the good falls and when the price falls, the demand rises (Mankiw and Taylor, 2006, p.65). This law is in complete contrast to oil product because it is the top prioritized good which runs the national and international economy. It is important to mention here that the United States imports 42 million gallons of gasoline every day in addition to the gasoline produced by U.S. refineries apart from importing crude oil in order to meet the high demand of gasoline. The world demand for crude oil is 87.7 million barrels per day while U.S alone requires 19.7 mmbd out of which 46 percent is used for the production of gasoline (www.marathonpetroleum.com). World demand for crude oil is increasing day by day and consumption of gasoline is increasing 0.5 to 0.10 percent each day. United States share of purchasing crude oil depends of the world demand because if world demand decreases the US can import more crude oil which will have positive effect on the market making the government possible to supply gasoline and meet the ever increasing demand. Otherwise, the price of gasoline will increase due to shortage of supply in US market and increasing world demand for crude oil. Thus there is a definite relationship between gasoline prices and world demand for crude as the decrease in latter will result in the decrease of prices in United States 3) Marathon delivers the products to jobbers, dealers and other convenient stores through various modes of transports. However, Marathon also operates its own convenience stores branded as ‘Speedway’. It is the wholly owned subsidiary of Marathon. Oil is a commodity which powers the internatio nal economy. Most of the organizations are dependent of refined oil products which make it more important for the companies dealing in oil products to formulate a strategy in advance citing future crisis of reduced global production of crude oil (www.marathonpetroleum.com). Marathon, which already operates chain of convenience stores, must design a strategy to attract customers without changing the prices even if the global production decreases. Fuel

Thursday, July 25, 2019

How has Modern Technology improved Emergency Response Capabilities Assignment

How has Modern Technology improved Emergency Response Capabilities - Assignment Example The software development is focused to develop methods to generate high resolution fused data studies to create three-dimensional product view among other features for correct forecasting to generate accurate weather alerts, which is just one of the various features of the software development (NWS, 2012). Future is full of new possibilities in the fields of technology for emergency communication in the time of disasters. Technology advancements also offer new challenges to apply new innovations in the current Department of Homeland Security (DHS) programs. The ongoing communications programs need to be revised for assimilating future additions of modern technology. Cyber Security & Communications (CS&C) has always played a leading part in the overall security of the nation’s 18 important infrastructure divisions under Homeland Security President Directive-7 (HSPD-7). CS&C is behind all the government communications programs related to priority services such as GETS, which is a White House initiated emergency telecommunications service, offering communications support to all government and non-government missions (DHS News, 2012). Emergency management in the context of interstate collaboration can better help in making a quick response to catastrophic disasters. Such an agreement named the Emergency Management Assistance Compact (EMAC) is based on mutual help in collaboration with other states, facilitating states to take collective action against natural and human disasters, mostly before the availability of federal disaster assistance. Emergency management can be well understood by discussing EMACs call to Hurricanes Katrina and Rita to attend to the critical requirement for evaluation of emergency management at the local level. A studious evaluation of news reports, government papers, and reports from related organizations needs to be conducted to reach at some conclusion on the extent and way of EMACs execution and its conduct at the time of response functions.

Wednesday, July 24, 2019

Genetically Modified Organisms Research Proposal

Genetically Modified Organisms - Research Proposal Example However, the main argument against consumption of genetically modified organisms is that they might have dome harmful effects to their consumers. The data that will be used in this research will be collected using a number of data collection methods. The method that will be the most used is literature review. There are sufficient information from literature materials such as books, journals, blogs that can give more insight on the advantages and limitations of genetically modified organisms (Munhall and Chenail 167). There will also be a study on the statistics on the health difference of people who consume more genetically modified organism and those who consume more. Genetic engineering and health official will also be interviewed with the aim of getting their views on the advantages and limitations of genetically modified organisms (Denscombe 97). With the data that will be collected through the above mentioned methods, the researchers will carry out analysis through techniques such as filtering, retrieving value, computation, and sorting to come up with a clear conclusion on the total number of viable advantages and disadvantages that genetically modified organisms have (Ogden and Goldberg 175). With the result the researchers will be able to give a conclusion stating their thoughts on whether or not genetically modified organisms should be

Tuesday, July 23, 2019

Competition in Design School Case Study Example | Topics and Well Written Essays - 750 words

Competition in Design School - Case Study Example Some feel competition helps each person to hone their creative skills. For students who study in design schools, the nurturing of individual creativity is important because they must continually innovate. When competition is involved, students take risks they might not otherwise take to create something unique enough to be noteworthy. It means students summon their most creative talent. Many students like Elizabeth Young, a former student of the University of California, argue that students learn more about their natural talent in competitive environment. It is considered as the "whetstone of talent." Competition also helps the students to work as teams and learn to create success together. However, talented advisers such as Michelle Fabio believe that even though competition undeniably helps elevate the standard by which we measure performance, too much competition could negatively impact less capable students. Therefore, even if some believe that competition is the best way to hone creative skills, it is not without its disadvantages. One disadvantage of competition is that it may cause students to lose sight of their main objective. Educator Mary Pat Lynch shares that in excessive competition, winning becomes the focus, instead of learning. This has been supported by interviews regarding competition conducted by Bergins and Cooks in which forty-one academically talented students conveyed that they focused on grade point average as opposed to learning for the sake of knowledge. No mention was made about any desire for competence by augmenting their knowledge and skills. This means that in a competitive environment, students' center of attention has shifted to the grade, rather than on the main goal of education which is to make students actually understand the ideas being imparted. Among designers, this will cause many to focus on finishing only those ideas that will probably help them win while hardly attempting to bring artistic life to their creations. As such, students compromise quality of life if they think they always need to perform better than others instead of letting natural talent flow. Competition also affects the general welfare of a person and the society in several undesirable ways. First, competition, by nature, requires only a single or a very small number of people to win while the rest of the competitors will lose. If a person ends up losing most of the time, it could undermine their own self-confidence, foster feelings of weakness and finally lead to depression. In fact, nearly ten percent of adolescents in the U.S. suffer from depression. Since the height of depression and low self-esteem in young people often coincide with times characterized by an increase in academic stress, the overly competitive environment increases the probability of poor quality of life for many students. Unfortunately depression is parcel of a cycle that negatively impacts many people. Depressed people are likely to feel left out and become social outcasts because no one will gladly relate themselves with people who see themselves as losers. As they lose their self-esteem, they st op trying to improve themselves. For this reason, they never realize their true talent and rarely contribute anything meaningful to society. Competition can bring out the

Monday, July 22, 2019

Statue of Liberty Essay Example for Free

Statue of Liberty Essay A universal symbol of democracy and freedom, The Statue of Liberty, is a gift of companionship from the France people to the United States people. The Statue of Liberty enlightening the globe was devoted on 28th October, 1886. In 1924, The Statue of Liberty was designated and selected as a National Monument. The meaning of The Statue of Liberty is Liberty Enlightening the World and is an enormous neoclassical monument in New York Harbor on Liberty Island. It was designed by the Frederic Bartholdi and it is a figure of female. The female represents the Roman Goddess of Freedom, Libertas, who puts up with a tablet inducing the law (tabula ansata) and a torch. When you look at it, I can feel it tells me a lots of things: Liberty, freedom, power to take on the world. And win. On the tabula ansata, 4th July, 1776, the American Declaration of Independence date is emblazoned. At the feet of the Statue of Liberty lies a broken chain. The Statue of Liberty is a convivial signal to the immigrants that are arriving from overseas and it is an icon of the United States and its freedom. The height of the Statue of Liberty is 151ft that is 46.5 meters and along with the pedestal the statue reaches a height of 305 ft that is 93 meters . Inside the statue there are 354 stairs that end at the crown from where a nice view of the New York is available (WHC, 2013). The Statue of Liberty Ellis Island Foundation (SOLEIF) founded by the President Ronald Reagan in 1982. This was done to start a classified division attempt to lift resources for the re-establishment and safeguarding of the Ellis Island and Statue of Liberty. The Foundation initially began the renovation of the Statue of Liberty along with the National Park Service, U.S. Department of the Interior. This was done because the statue needs refurbishment due to a century of sightseeing and weather pollution. On 4th July, 1986, a three day event was celebrated on the restoration of the statue. This weekend was also named as the â€Å"Liberty Weekend† by the President Francois and President Reagan (NPS, 2013). The Statue of Liberty is an icon and symbol of international friendship, companionship and alliance of the United States and France. It describes the liberty and freedom of the people of United States. The Statue of Liberty is an emblem of warm welcome to the people coming from overseas and abroad. To me Lady Liberty was meant to stand for the opportunity afforded to all who either came here or were born here. All that was required was the willingness to work,strive,and dream of a better day. References NPS (2013) History of the Statue of Liberty. The Statue of Liberty-Ellis Island Foundation, Inc., retrieved from http://statueofliberty.org/Statue_History.html NPS (2013) History of the Statue of Liberty. The Statue of Liberty-Ellis Island Foundation, Inc., retrieved from http://statueofliberty.org/Foundation.html NPS (2013) Statue of Liberty: National Monument New York. National Park Service: U.S. Department of the Interior, retrieved from http://www.nps.gov/stli/index.htm WHC (2013) Statue of Liberty. UNESCO World Heritage Centre, retrieved from http://whc.unesco.org/en/list/307

Narrative Essays Are a Great Read Essay Example for Free

Narrative Essays Are a Great Read Essay Narrative essays and Descriptive essays can be similar but they are different in nature. The narrative essay â€Å"I Want a Wife† is more compelling than the descriptive essay â€Å"Homeless† because the narrative essay has a point of view, uses humor and satire, and uses tone and language that can draw the reader in. â€Å"Narration is storytelling from the perspective of a narrator and the story may be true, false, imaginary, or a combination. A narration can be about past, present, or future events, and it can be short or the length of a novel† (Connell Sole, 2013, sec. 6.3). A narrative can draw in the audience by telling the reader the story just how it happened or how they pictured it to be without losing someone in thought because they may not understand what they mean when they are using words to describe it a certain way. â€Å"Description is a pattern of writing that can be defined as painting pictures with words† (Connell Sole, 2013, sec. 6.4). A descriptive essay uses very expressive words to describe specific details. See more: what is narrative writing The reader will have to use the five sense in order to understand what the writer is trying to convey and may get lost especially if the reader doesn’t understand one of those descriptive words. The two essays in this paper that are being compared and contrasted are â€Å"Homeless† by Anna Quindlen and â€Å"I Want a Wife† by Judy Brady. Both essays are being told by the author but through someone else’s eyes but on what the author sees. The beginning paragraph from the narrative essay â€Å"I Want a Wife† reads, â€Å"Not too long ago a male friend of mine appeared on the scene fresh from a recent divorce. He had one child, who is, of course, with his ex-wife. He is looking for another wife. As I thought about him while I was ironing one evening, it suddenly occurred  to me that I, too, would like to have a wife. Why do I want a wife† (Brady, 1971)? This paragraph started off the essay with author’s point of view because she too is a wife. The author was able to identify this by what she does as a wife, how she acted and how she is treated. This can also be the point of view of a man because some men may feel that this is what a wife should do or how a wife should act or maybe someone else who is a wife, because it’s what they do. She made the essay seem like a wife is such a huge deal and that they have such a big job to complete throughout each day. This essay makes the reader stop and think about if this is the way they want their wife to be or if they want to be this way if they are a wife. The descriptive essay â€Å"Homeless†, the author tells her point of view because of a homeless lady she wanted to ask questions to. She perceived her point of view about homeless people from a portrait the lady showed her and what she sees when she looks at the lady and the picture. Both essays have a point a view a reader may agree or disagree with. Not everyone sees a wife as a person who does everything for the household, such as cook all meals, clean the whole house, take care of the kids, and take care of the man. Back in 1971 when the essay was written this may have held true, but in 2014 there are house-holds where the woman is the bread winner and the man will stay home and take care of everything. There are also other relationships where the house hold is 50-50. The husband and wife share duties. As far as homeless people, someone’s point of view may be different than when the author said: â€Å"People find it curious that those without homes would rather sleep sitting up on benches or huddled in doorways than go to shelters† (Quindlen, n.d. para. 7). That was her point of view of what she thinks other people think but in reality, the homeless people may not be able to get shelter so they have no choice but to sleep on benches. With these two essays, the point of view is stronger in the narrative essay beca use most people are wives, or they have a wife and can see this essay as true. The descriptive essay, not everyone is homeless or they may not be around homeless people or know how they interact so they may not understand the point the author is trying to make. The tone of â€Å"I Want a Wife† is written in a humorous, ironic mood. This is what makes this essay enjoyable to read and it’s not boring to the reader. The essay has a â€Å"sarcastic tone which is produced when someone uses heave-handed verbal irony. Verbal irony occurs  when one expresses the opposite of what one actually means (Connell Sole, 2013). The narrative essay is also of great humor and satire. To any woman reader and maybe some men, they may look at this essay and laugh. The reader may sense the sarcasm in the author’s words. For example, the author says â€Å"If, by chance, I find another person more suitable as a wife than the wife I already have, I want the liberty to replace my present wife with another one† (Brady, 1971, para. 8). This paragraph alones makes you mad but makes you laugh. The whole essay in itself is also written in sarcasm. The writer depicts what a wife should be but is sarcastic in her approach of how she writes it. She always started off with â€Å"I want a wife who will†, and then talks about what she would want her wife to do if she wanted a wife, and how a wife should act. If you did not know the author, you would have th  ought this was written by a man. At the end of the essay, Brady (1971) states â€Å"My God, who wouldn’t want a wife?† shows that this whole essay was of great irony and satire because she talks about what she wants in a wife when she is a wife. This quoted sentence shows exaggeration, just like the rest of the essay. There was no irony or sarcasm or anything to make me laugh in the descriptive essay â€Å"Homeless†. Because of the nature of the essay, there wouldn’t be any humor or satire since it could be considered a sad essay. The authors tone in â€Å"Homeless† is very serious, yet tranquil. It is serious because the subject is also very serious subject, but serene because she knows that there is a solution for these problem s. Quindlen uses this tone to get through to the reader in order to deliver the purpose. The tone is also sad because of the problems of homelessness in the world today. The reader may feel a sense of sympathy when reading this essay because it can be controversial. There is some hyperbole language the author is using in homeless like: â€Å"It was like a thousand houses in a hundred towns, not suburb, not city, but somewhere in between, with aluminum siding and a chain-link fence, a narrow driveway running up to a one-car garage, and a patch of backyard (Quindlen, n.d. para. 2). Brady also uses different figurative language such as exaggeration and repetitiveness in her essay. Through the language you often felt the emotion of the essay especially if you are a wife because you may think about if you have done the things she is stating a wife does. This essay has an emotion appeal to it. It â€Å"has a purpose, its honest and not attempting to mislead, and not used just for  effect or for gratuitous reasons† (Connell Sole, 2013, sec. 7.3). It is not making personal attacks on wives, but showing how a wife is treated as such and how they are not appreciated. The narrative essay gave a more clear understanding as to the point the author was trying to get a cross. The narrative essay also used a descriptive writing pattern. The language was carefully and particularly chosen and it also evoked emotions to the reader. The narrative essay was of great humor and satire but it also made you think about life as a wife, as to where the descriptive essay was a serious essay that talked about a world issue and the attempt to take action to solve that problem. It lacked the senses a descriptive should have. There was no emotion and no feelings relating to the topic, because the descriptive essay was more of a journalistic essay that talked about problems that needed to be solved. It did not have many words to paint the picture of how homeless people live and what they look like, or how they smell how they get by day to day. The narrative essay had this creative tension that kept the reader interested in what a man or another woman may think of what a wife could be. It kept the writer of this essay interested because she is too, a wife. References Brady, J. (1971). I want a wife. Retrieved from http://bcs.bedfordstmartins.com/everythingsanargument4e/content/cat_020/Brady_I_Want_a_Wife.pdf Connell, C. M., Sole, K. (2013). Essentials of college writing (2nd ed.). San Diego, CA: Bridgepoint Education, Inc. Quindlen, A. (n.d.). Homeless. Retrieved from http://pers.dadeschools.net/prodev/homelesstext.htm

Sunday, July 21, 2019

Digital modulation and demodulation

Digital modulation and demodulation Chapter 1 Digital Communications 1.0 Digital Communication 1.1 Introduction Communication Process: When we think of communication, we usually think of people talking or listening to each other. This may happen face to face, or it may occur through the assistance of a telephone, radio, or television. Basically, communication is the transfer of information. Life In our modern, complex world depends more and more on the transfer of information. The increasing dependency on the transfer of information has stimulated the growth of more and more communication systems. This surge in communication and communication systems has been referred to as a technological revolution. This shows understand the transfer of information in a communication system The communication system will consist of at least the three parts shown. The channel can be as simple as the air that carries the sound of your voice, or as complex as the satellite network required to carry a television program around the world. The most common problem encountered by the communication process is interference. Interference is any force that disrupts or distorts the information or message while it is being channeled. It could be noise, as in the case of normal conversation, or atmospheric weather changes, as In the case of radio or television The biggest cause of interference, however, is a simple misinterpretation of the intended message. Cultural, economic, and political diversities allow people to receive the same message but interpret it differently. Communication Systems: Communication system is a combination of processes and hardware used to accomplish the transfer of Information (communication). A system is a group of interrelated parts. We find that there are systems all around us. In nature, we can also find examples of systems that have been created by people. An automobile, a washing machine, and an electric drill are examples. 1.2 TYPES OF COMMUNICATION: Based on the requirements, the communications can be of different types: Point-to-point communication: In this type, communication takes place between two end points. For instance, in the case of voice communication using telephones, there is one calling party and one called party. Hence the communication is point-to-point. Point-to-multipoint communication: In this type of communication, there is one sender and multiple recipients. For example, in voice conferencing, one person will be talking but many others can listen. The message from the sender has to be multicast to many others. Broadcasting: In a broadcasting system, there is a central location from which information is sent to many recipients, as in the case of audio or video broadcasting. In a broadcasting system, the listeners are passive, and there is no reverse communication path. In simplex communication, the communication is one-way only. In half-duplex communication, communication is both ways, but only in one direction at a time. In full-duplex communication, communication is in both directions simultaneously. Simplex communication: In simplex communication, communication is possible only in one direction. There is one sender and one receiver; the sender and receiver cannot change roles. Half-duplex communication: Half-duplex communication is possible in both directions between two entities (computers or persons), but one at a time. A walkie-talkie uses this approach. The person who wants to talk presses a talk button on his handset to start talking, and the other persons handset will be in receiving mode. When the sender finishes, he terminates it with an over message. The other person can press the talk button and start talking. These types of systems require limited channel bandwidth, so they are low cost systems. Full-duplex communication: In a full-duplex communication system, the two parties-the caller and the called-can communicate simultaneously, as in a telephone system. However, note that the communication system allows simultaneous transmission of data, but when two persons talk simultaneously, there is no effective communication! The ability of the communication system to transport data in both directions defines the system as full-duplex. 1.3 ANALOG VERSUS DIGITAL TRANSMISSION: In analog communication, the signal, whose amplitude varies continuously, is transmitted over the medium. Reproducing the analog signal at the receiving end is very difficult due to transmission impairments. Hence, analog communication systems are badly affected by noise. In a digital communication system, 1s and 0s are transmitted as voltage pulses. So, even if the pulse is distorted due to noise, it is not very difficult to detect the pulses at the receiving end. Hence, digital communication is much more immune to noise as compared to analog communication. 1.4 Digital Modulation: Firstly, what do we mean by digital modulation? Typically the objective of a digital communication system is to transport digital data between two or more nodes. In radio communications this is usually achieved by adjusting a physical characteristic of a sinusoidal carrier, the frequency, phase, amplitude or a combination thereof. This is performed in real systems with a modulator at the transmitting end to impose the physical change to the carrier and a demodulator at the receiving end to detect the resultant modulation on reception. * Modulation is the process of varying some characteristic of a periodic wave with an external signal. * Modulation is utilized to send an information bearing signal over long distances. * Radio communication superimposes this information bearing signal onto a carrier signal. * These high frequency carrier signals can be transmitted over the air easily and are capable of traveling long distances. * The characteristics (amplitude, frequency, or phase) of the carrier signal are varied in accordance with the information bearing signal. * In the field of communication engineering, the information bearing signal is also known as the modulating signal. * The modulating signal is a slowly varying signal as opposed to the rapidly varying carrier frequency. The principal of a digital communication system is that during a finite interval of time, it sends a waveform from a finite set of possible waveforms, in contrast to an analog communication system, which sends a waveform from an infinite variety of waveform shapes, with theoretically infinite resolution. In a DCS (digital communication system), the objective of the receiver is not to reproduce a transmitted waveform with precision. The objective is to determine from a noise-perturbed signal which waveform from the finite set of waveforms was sent by the transmitter. Why Digital?  · The primary advantage is the ease with which digital signals, compared with analog signals, is regenerated. The shape of the waveform is affected by two basic mechanisms. As all transmission lines and circuits have some non-ideal frequency transfer function, there is a distorting effect on the ideal pulse. Unwanted electrical noise or other interference further distorts the pulse waveform. Both of these mechanisms cause the pulse shape to degrade. * With digital techniques, extremely low error rates producing high signal fidelity are possible through error detection and correction but similar procedures are not available with analog. * Digital circuits are more reliable and can be reproduced at a lower cost than analog circuits. * Digital hardware lends itself to more flexible implementation than analog circuits. * The combination of digital signals using Time Division Multiplexing (TDM) is simpler than combining analog signals using Frequency Division Multiplexing (FDM). Metrics for Digital Modulation à ¢Ã¢â€š ¬Ã‚ ¢ Power Efficiency Ability of a modulation technique to preserve the fidelity of the digital message at low power levels Designer can increase noise immunity by increasing signal power Power efficiency is a measure of how much signal power should be increased to achieve a particular BER for a given modulation scheme Signal energy per bit / noise power spectral density: Eb / N0 à ¢Ã¢â€š ¬Ã‚ ¢ Bandwidth Efficiency Ability to accommodate data within a limited bandwidth Tradeoff between data rate and pulse width Throughput data rate per hertz: R/B bps per Hz à ¢Ã¢â€š ¬Ã‚ ¢ Shannon Limit: Channel capacity / bandwidth C/B = log2(1 + S/N) Disadvantages of Digital Systems * Digital systems tend to be very signal processing intensive compared with analog. * Digital systems need to allocate a significant share of their resources to the task of synchronization at various levels. With analog signals synchronization is accomplished more easily. * One disadvantage of digital communication system is non-graceful degradation. When the SNR drops below a certain threshold, the quality of service can change form very good to very poor. Most analog systems degrade more gracefully. Formatting The goal of the first essential processing step, formatting is to ensure that the source signal is compatible with digital processing. Transmit formatting is a transformation from source information to digital symbols. When data compression in addition to formatting is employed, the process is termed source coding. The digital messages are considered to be in the logical format of binary 1s and 0s until they are transformed by pulse modulation into base band (pulse) waveforms. Such waveforms are then transmitted over a cable. No channel can be used for the transmission of binary digits without first transforming the digits to waveforms that are compatible with the channel. For base band channels, compatible waveforms are pulses. The conversion from a bit of streams to a sequence of pulse waveforms takes place in the block labeled, modulator. The output of a modulator is typically a sequence of pulses with characteristics that correspond to the digits being sent. After transmission through the channel the pulse waveforms are recovered (demodulated) and detected to produce an estimate of the transmitted digits. Formatting in a digital Communication System Symbols When digitally transmitted, the characters are first encoded into a sequence of bits, called a bit stream or base band signal. Group of K bits can then be combined to form new digits, or symbols, from a finite or alphabet of M = 2^K such symbols. A system using a symbol set size of M is referred to as M-array system. Waveform Representation of Binary Digits Digits are just abstractions way to describe the message information. Thus we need something physical that will represent or carry the digits. Thus binary digits are represented with electrical pulses in order to transmit them through a base band channel. At the receiver, a determination must be made regarding the shape of pulse. The likelihood of correctly detecting the pulse is a function of the received signal energy (or area under the pulse). PCM Waveform Types When pulse modulation is applied to a binary symbol, the resulting binary waveform is called a PCM waveform. There are several types of PCM waveforms. These waveforms are often called line codes. When pulse modulation is applied to non-binary symbol, the resulting waveform is called an M-ary pulse modulation waveform. The PCM waveforms fall into the following four groups. 1) Non return to zero (NRZ) 2) Return to zero (RZ) 3) Phase encoded ) Multilevel binary The NRZ group is probably the most commonly used PCM waveform. In choosing a waveform for a particular application, some of the parameters worth examining are 1) DC component 2) Self clocking 3) Error detection ) Bandwidth compression 5) Differential encoding 6) Noise immunity The most common criteria used for comparing PCM waveforms and for selecting one waveform type from many available are 1) Spectral characteristics 2) Bit synchronization capabilities 3) Error detection capabilities ) Interference 5) Noise immunity 6) Cost and complexity of implementation Bits per PCM Word and Bits per Symbol Each analog sample is transformed into a PCM word up to group of bits. The number of quantization levels allowed for each sample can describe the PCM word size; this is identical to the number of values that the PCM word can assume. We use L=2^l Where L is the number of quantization levels in PCM word, l is the number of bits needed to represent those levels. M-ARY Pulse Modulation Waveforms There are three basic ways to modulate information onto a sequence of pulses; we can vary the pulses amplitude, position, or duration. This leads to the names 1) PAM (pulse amplitude modulation) 2) PPM (pulse position modulation) 3) PDM/PWM (pulse duration modulation/ pulse width modulation) When information samples without any quantization are modulated on to the pulses, the resulting pulse modulation can be called analog pulse modulation. When the information samples are first quantized, yielding symbols from an M-ary alphabet set, and the modulation on to pulses, the resulting pulse modulation is digital and we refer to it as M-ary pulse modulation. Base-band modulation with pulses has analogous counterparts in the area of band-pass modulation. PAM is similar to amplitude modulation, while PPM and PDM are similar to phase and frequency modulation respectively. Spectral Density The spectral density of a signal characterizes the distribution of the signals energy or power in the frequency domain. Energy Spectral Density We can relate the energy of a signal expressed in time domain to the energy expressed in frequency domain as: à ¢Ã‹â€ Ã… ¾ Ex = à ¢Ã‹â€ Ã‚ « x ²(t) dt -à ¢Ã‹â€ Ã… ¾ à ¢Ã‹â€ Ã… ¾ = à ¢Ã‹â€ Ã‚ « |X (f) | ² df -à ¢Ã‹â€ Ã… ¾ Where X (f) is the Fourier transform of the non periodic signal x (t). Let à Ã‹â€  (t) = |X (f) | ² à ¢Ã‹â€ Ã… ¾ Ex = 2 à ¢Ã‹â€ Ã‚ « à Ã‹â€ x (f) df -à ¢Ã‹â€ Ã… ¾ Power Spectral Density The power spectral density function Gx (t) of the periodic signal x (t) is real, even and nonnegative function of frequency that gives the distribution of the power of x (t) in the frequency domain. à ¢Ã‹â€ Ã… ¾ Gx (t) = à ¢Ã‹â€ Ã¢â‚¬Ëœ |Cn| ² à ¢Ã‹â€ Ã‚ «(f-nfo) n =-à ¢Ã‹â€ Ã… ¾ PSD of a periodic signal is a discrete function of frequency. à ¢Ã‹â€ Ã… ¾ Px = à ¢Ã‹â€ Ã‚ « Gx (t) df -à ¢Ã‹â€ Ã… ¾ à ¢Ã‹â€ Ã… ¾ = 2 à ¢Ã‹â€ Ã‚ «Gx (F) df 0 If x (t) is a non-periodic signal it cannot be expressed by a Fourier series, and if it is a non-periodic power signal (having infinite energy) it may not have a Fourier transform. However we still express the PSD of such signals in a limiting sense. Chapter 2 Modulation and Demodulation 2.0 Modulation and Demodulation Since the early days of electronics, as advances in technology were taking place, the boundaries of both local and global communication began eroding, resulting in a world that is smaller and hence more easily accessible for the sharing of knowledge and information. The pioneering work by Bell and Marconi formed the cornerstone of the information age that exists today and paved the way for the future of telecommunications. Traditionally, local communication was done over wires, as this presented a cost-effective way of ensuring a reliable transfer of information. For long-distance communications, transmission of information over radio waves was needed. Although this was convenient from a hardware standpoint, radio-waves transmission raised doubts over the corruption of the information and was often dependent on high-power transmitters to overcome weather conditions, large buildings, and interference from other sources of electromagnetic. The various modulation techniques offered different solutions in terms of cost-effectiveness and quality of received signals but until recently were still largely analog. Frequency modulation and phase modulation presented certain immunity to noise, whereas amplitude modulation was simpler to demodulate. However, more recently with the advent of low-cost microcontrollers and the introduction of domestic mobile telephones and satellite communications, digital modulation has gained in popularity. With digital modulation techniques come all the advantages that traditional microprocessor circuits have over their analog counterparts. Any shortfalls in the communications link can be eradicated using software. Information can now be encrypted, error correction can ensure more confidence in received data, and the use of DSP can reduce the limited bandwidth allocated to each service. As with traditional analog systems, digital modulation can use amplitude, frequency, or phase modulation with different advantages. As frequency and phase modulation techniques offer more immunity to noise, they are the preferred scheme for the majority of services in use today and will be discussed in detail below 2.1 Digital Frequency Modulation: A simple variation from traditional analog frequency modulation can be implemented by applying a digital signal to the modulation input. Thus, the output takes the form of a sine wave at two distinct frequencies. To demodulate this waveform, it is a simple matter of passing the signal through two filters and translating the resultant back into logic levels. Traditionally, this form of modulation has been called frequency-shift keying (FSK). 2.2 Digital Phase Modulation: Spectrally, digital phase modulation, or phase-shift keying, is very similar to frequency modulation. It involves changing the phase of the transmitted waveform instead of the frequency, these finite phase changes representing digital data. In its simplest form, a phase-modulated waveform can be generated by using the digital data to switch between two signals of equal frequency but opposing phase. If the resultant waveform is multiplied by a sine wave of equal frequency, two components are generated: one cosine waveform of double the received frequency and one frequency-independent term whose amplitude is proportional to the cosine of the phase shift. Thus, filtering out the higher-frequency term yields the original modulating data prior to transmission. * Modulate and demodulate/detect blocks together are called a modem. * The frequency down conversion is performed in the front end of the demodulator. * Only formatting, modulation, demodulation/detection and synchronization are essential for a digital communication system. * FORMATTING transforms the source information into bits. * From this point up to pulse modulation block, the information remains in the form of a bit stream. * Modulation is the process by which message symbols or channel symbols are converted to waveforms that are compatible with the requirements imposed by transmission channel. Pulse modulation is an essential step because each symbol to be transmitted must first be transformed from a binary representation to a base band waveform. * When pulse modulation is applied to binary symbols, the resulting binary waveform is called a PCM waveform. When pulse modulation is applied to non-binary symbols, the resulting waveform is called an M-ary pulse modulation waveform. * Band pass modulation is required whenever the transmission medium will not support the propagation of pulse like waveforms. * The term band pass is used to indicate that the base band waveform gi (t) is frequency translated by a carrier wave to a frequency that is much larger than the spectral content of gi (t). * Equalization can be described as a filtering option that is used in or after the demodulator to reserve any degrading effects on the signal that were caused by the channel. An equalizer is implemented to compensate for any signal distortion caused by a no ideal hi(t) * Demodulation is defined as a recovery of a waveform (band pass pulse) and detection is defined as decision-making regarding the digital meaning of that waveform. 2.3 Linear Modulation Techniques * Digital modulation techniques may be broadly classified as linear and non-linear. In linear modulation techniques, the amplitude to the modulation signal S (t) varies linearly with the modulating digital signal m (t). * Linear modulation techniques are bandwidth efficient. * In a linear modulation technique, the transmitted signal S (t) can be expressed as: S (t) = Re [Am (t) exp (j2pfct)] = A [mr(t)cos(2pfct) mI(t)sin(2pfct)] Where A is the amplitude fc is the carrier frequency m (t) = mr(t) + mI(t) is a complex envelope representation of the modulated signal which is in general complex form. * From the equations above, it is clear that the amplitude of the carrier varies linearly with the modulating signal. * Linear modulation schemes, in general do not have a constant envelope. Linear modulation schemes have very good spectral efficiency. Normalized Radian Frequency Sinusoidal waveforms are of the form: X (t) =Acos (wt+f) - (1) If we sample this waveform, we obtain X[n] =x (nTs) =Acos (wnTs+f) =Acos (wn+f) (2) Where we have defined w to be Normalized Radian Frequency: w=wTs The Signal in (2) is a discrete time cosine signal, and w is the discrete time radian frequency. w has been normalized by the sampling period. w has the units of radians/second, w=wTs has the units of radians; i.e. wis a dimensionless quantity. This is entirely consistent with the fact that the index n in x[n] is a dimensionless. Once the samples are taken from x (t), the time scale information is lost. The discrete time signal is just a sequence of numbers, and these numbers carry no information about the sampling period, which is the information required to reconstruct the time scale. Thus an infinite number of continuous time sinusoidal signals can be transformed into the same discrete time sinusoid by sampling. All we need to is to change the sampling period with changes in frequency of the continuous time sinusoid. 2.4 Baseband Transmission Baseband Demodulation/Detection  · The filtering at the transmitter and the channel typically cause the received pulse sequence to suffer from ISI (Inter Symbol Interference), thus the signal is not quiet ready for sampling and detection.  · The goal of the demodulator is to recover the pulse with best possible signal to noise ratio (SNR), free of any ISI.  · Equalization is a technique used to help accomplish this goal. Every type of communication channel does not require the equalization process. However equalization process embodies a sophisticated set of signal processing techniques, making it possible to compensate for channel induced interference.  · A received band pass waveform is first transformed to a base band waveform before the final detection step takes place.  · For liner systems, the mathematics of detection is unaffected by a shift in frequency. * According to the equivalence theorem, all linear signal-processing simulations can take place at base band (which is preferred for simplicity) with the same result as at band pass. Thus the performance of most digital communication systems will often be described and analyzed as if the transmission channel is a base band channel. Chapter 3 p/4 Quadrature 3.0 p/4 Quadrature Phase Shift Keying (p/4 QPSK) 3.1 Linear Modulation Techniques * Digital modulation techniques may be broadly classified as linear and non-linear. In linear modulation techniques, the amplitude to the modulation signal S (t) varies linearly with the modulating digital signal m (t). * Linear modulation techniques are bandwidth efficient. * In a linear modulation technique, the transmitted signal S (t) can be expressed as: S (t) = Re [Am (t) exp (j2pfct)] = A [mr(t)cos(2pfct) mI(t)sin(2pfct)] Where A is the amplitude fc is the carrier frequency m (t) = mr(t) + mI(t) is a complex envelope representation of the modulated signal which is in general complex form. * From the equations above, it is clear that the amplitude of the carrier varies linearly with the modulating signal. * Linear modulation schemes, in general do not have a constant envelope. Linear modulation schemes have very good spectral efficiency. There are three major classes of digital modulation techniques used for transmission of digitally represented data: * Amplitude-shift keying (ASK) * Frequency-shift keying (FSK) * Phase-shift keying (PSK) All convey data by changing some aspect of a base signal, the carrier wave, (usually a sinusoid) in response to a data signal. In the case of PSK, the phase is changed to represent the data signal. There are two fundamental ways of utilizing the phase of a signal in this way: * By viewing the phase itself as conveying the information, in which case the demodulator must have a reference signal to compare the received signals phase against; or * By viewing the change in the phase as conveying information differential schemes, some of which do not need a reference carrier (to a certain extent). A convenient way to represent PSK schemes is on a constellation diagram. This shows the points in the Argand plane where, in this context, the real and imaginary axes are termed the in-phase and quadrature axes respectively due to their 90 ° separation. Such a representation on perpendicular axes lends itself to straightforward implementation. The amplitude of each point along the in-phase axis is used to modulate a cosine (or sine) wave and the amplitude along the quadrature axis to modulate a sine (or cosine) wave. In PSK, the constellation points chosen are usually positioned with uniform angular spacing around a circle. This gives maximum phase-separation between adjacent points and thus the best immunity to corruption. They are positioned on a circle so that they can all be transmitted with the same energy. In this way, the moduli of the complex numbers they represent will be the same and thus so will the amplitudes needed for the cosine and sine waves. Two common examples are binary phase-shift keying (BPSK) which uses two phases, and quadrature phase-shift keying (QPSK) which uses four phases, although any number of phases may be used. Since the data to be conveyed are usually binary, the PSK scheme is usually designed with the number of constellation points being a power of 2. 3.2 Amplitude Shift Keying (ASK) Amplitude shift keying ASK in the context of digital communications is a modulation process, which imparts to a sinusoid two or more discrete amplitude levels. These are related to the number of levels adopted by the digital message. For a binary message sequence there are two levels, one of which is typically zero. Thus the modulated waveform consists of bursts of a sinusoid. In Amplitude Shift Keying the Amplitude varies whereas the phase and frequency remains the same as shown in following . One of the disadvantages of ASK, compared with FSK and PSK, for example, is that it has not got a constant envelope. This makes its processing (eg, power amplification) more difficult, since linearity becomes an important factor. However, it does make for ease of demodulation with an envelope detector. Thus demodulation is a two-stage process: à ¥ Recovery of the band limited bit stream à ¥ Regeneration of the binary bit stream 3.3 Frequency-shift keying (FSK) Frequency-shift keying (FSK) is a method of transmitting digital signals. The two binary states, logic 0 (low) and 1 (high), are each represented by an analog waveform. Logic 0 is represented by a wave at a specific frequency, and logic 1 is represented by a wave at a different frequency. In frequency Shift Keying the frequency varies whereas the phase and amplitude remains the same. Phase shift keying (PSK) Phase Shift Keying (PSK) was developed during the early days of the deep-space program. PSK is now widely used in both military and commercial communication systems. In phase shift Keying the phase of the transmitted signal varies whereas the amplitude and frequency remains the same. The general expression for the PSK is as Where, ji(t) = the phase term will have M discrete values, given by, ji(t) = 2pi /M 3.4 Binary PSK In binary phase shift keying we have two bits represented by the following waveforms; S0(t) = A cos (wt) represents binary 0 S1(t) = A cos (wt + p) represents binary 1 For M-array PSK, M different phases are required, and every n (where M=2n) bits of the binary bit stream are coded as one signal that is transmitted as A sin (wt + qj) where j=1,.., M 3.5 Quadra phase-Shift Modulation Taking the above concept of PSK a stage further, it can be assumed that the number of phase shifts is not limited to only two states. The transmitted carrier can undergo any number of phase changes and, by multiplying the received signal by a sine wave of equal frequency, will demodulate the phase shifts into frequency-independent voltage levels. This is indeed the case in quadraphase-shift keying (QPSK). With QPSK, the carrier undergoes four changes in phase (four symbols) and can thus represent 2 binary bits of data per symbol. Although this may seem insignificant initially, a modulation scheme has now been supposed that enables a carrier to transmit 2 bits of information instead of 1, thus effectively doubling the bandwidth of the carrier Eulers relations state the following: Now consider multiplying two sine waves together, thus From Equation 1, it can be seen that multiplying two sine waves together (one sine being the incoming signal, the other being the local oscillator at the receiver mixer) results in an output frequency double that of the input (at half the amplitude) superimposed on a dc offset of half the input amplitude. Similarly, multiplying by gives which gives an output frequency double that of the input, with no dc offset. It is now fair to make the assumption that multiplying by any phase-shifted sine wave yields a demodulated waveform with an output frequency double that of the input frequency, wh

Saturday, July 20, 2019

William Goldings Lord of the Flies :: Essays Papers

Lord of the Flies The classic novel Lord of the Flies by William Golding is an exciting adventure deep into the nether regions of the mind. The part of the brain that is suppressed by the mundane tasks of modern society. It is a struggle between Ralph and Jack, the boys and the Beast, good and evil. The story takes a look at what would happen if a group of British school boys were to become stranded on an island. At first the boys have good intentions, keep a fire going so that a passing ship can see the smoke and rescue them, however because of the inherent evil of the many the good intentions of the few are quickly passed over for more exciting things. The killing of a pig slowly begins to take over the boys life, and they begin to go about this in a ritualistic way, dancing around the dead animal and chanting. As this thirst for blood begins to spread the group is split into the â€Å"rational (the fire-watchers) pitted against the irrational (the hunters) (Dick 121).† The fear of a mythological â€Å"beast† is perpetuated by the younger members of the groups and they are forced to do something about it. During one of the hunters’ celebrations around the kill of an animal a fire-watcher stumbles in to try and disband the idea of the monster. Caught of in the rabid frenzy of the dance, this fire-watcher suddenly becomes the monster and is brutally slaughtered by the other members of the group. The climax of the novel is when the hunters are confronted by the fire-watchers. The hunters had stole Piggy’s (one of the fire-watchers) glasses so that they may have a means of making a cooking fire. One of the more vicious hunters roles a boulder off of a cliff, crushing Piggy, and causing the death of yet another rational being. The story concludes with the hunters hunting Ralph (the head and last of the fire-watchers). After lighting half of the island on fire in an attempt to smoke Ralph from his hiding place, they chase him on to the beach only to find a ships captain and crew waiting there to rescue them, because he saw the smoke. The novel is packed full of symbolism and irony. Golding also communicates his message quite well. â€Å"The title refers to Beelzebub, most stinking and depraved of all the devils: it is he, and not the God of Christians, who is worshipped (Burgess 121).

Friday, July 19, 2019

SAINT JOHN BOSCO Essay -- essays research papers

John Bosco was born on August 16, 1815, to a poor farming family in Becchi, a small suburb of Turin, Italy. The child grew to be the â€Å"Beloved Apostle of Youth†. One of John Bosco’s earliest recollections occurred at age two. He remembers his mother telling him upon his father’s death , â€Å"You have no father now†. Although he stated that he could not remember what his father was like , his death must have had a profound effect on him and perhaps sparked his desire to help troubled boys, many of whom were fatherless. I cannot say that I have suffered the loss of a close family member and can only imagine the effect it could have on my life. From the time he was a young child, John Bosco seemed to have a clear understanding of God’s ways; and what he didn’t understand was often made clear to him by his mother â€Å"Mama Margaret†. She seemed to know, even at an early age, that her son was destined to do good in the name of God. She taught him by example from an early age and continued to support him and all his good works throughout his life. She eventually joined him at he Oratory and became â€Å"Mother† to hundreds of boys. Her positive influence was felt by all of those boys. It was almost as if the Blessed Mother worked through her good example and words of wisdom. Mama Margaret warned her son to â€Å"beware of bad boys you may meet on your journey through life†. and asked him one day, â€Å"Why do you go with such bad boys?† How many mothers have echoed similar words? How confident John Bosco was in the power of his good example when he replied, â€Å"If I am with them they are better and do not say bad words†. Wouldn’t this world be a better place if we all had such confidence and faith in the power our own good example. As a young child, John Bosco had the ability to attract young boys. He went out of his way to study â€Å"traveling show† folk to learn acrobatic and sleight of hand tricks to entertain the boys who would gather around him. After a performance he would discuss a sermon from a recent Mass or lead the group in a hymn. If people started to leave he would tell them that they couldn’t come back and see more tricks unless they stayed for the sermon. Of course they remained. At age nine John had a dream that clearly indicated his intentions of becoming a priest. Mama Margaret understood this dream and set out to educate her son and prepare him for First Holy Communio... ...ready does exist, but we haven’t taken notice yet. I have to admit that mothers seem to have this ability to sense when we are about to get into trouble whether we know it or not. Needless to say, John Bosco worked tirelessly for his boys. A doctor had commented that his body seemed like that of a much older man. Perhaps that was because John Bosco never refused a request from anyone in need. He gave generously of his time, his energy, and his wisdom. He died on January 31, 1888 and was canonized in 1934. While reading this book I could not help but recognize the similarities between John Bosco’s Oratories and our school. There is clearly a feeling of brotherhood among the students at Don Bosco Prep. I remember how we all laughed during orientation when we were told about this feeling of brotherhood, but all of us now agree that it exists. We are led by the good example of our teachers and priests, are made to follow a code of discipline, and are provided academic and religious instruction. It is an atmosphere that guides us in choosing between right and wrong and hopefully gives us confidence and faith in the power of our own good example. The work of Saint John Bosco continues!

External and Internal Conflict in Hawthornes Young Goodman Brown Essay

External and Internal Conflict in â€Å"Young Goodman Brown†Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚         Nathaniel Hawthorne’s short story â€Å"Young Goodman Brown† manifests a duality of conflict – both an external conflict and an internal conflict. It is the purpose of this essay to explore both types of conflict as manifested in the story.    In the opening lines of the tale there is a compulsion, representing internal conflict, indicated on the part of both the protagonist and his wife Faith:    "Dearest heart," whispered she, softly and rather sadly, when her lips were close to his ear, "pr'ythee, put off your journey until sunrise, and sleep in your own bed tonight. A lone woman is troubled with such dreams and such thoughts, that she's afeard of herself, sometimes. Pray, tarry with me this night, dear husband, of all nights in the year!"    "My love and my Faith," replied young Goodman Brown, "of all nights in the year, this one night must I tarry away from thee. My journey, as thou callest it, forth and back again, must needs be done 'twixt now and sunrise. What, my sweet, pretty wife, dost thou doubt me already, and we but three months married!"    And Faith, hopeful that the compulsion will not get the best of her during the night, responds:    "Then God bless you!" said Faith, with the pink ribbons, "and may you find all well, when you come back."    Q.D. Leavis says in â€Å"Hawthorne as Poet† that â€Å"It is a journey he takes under compulsion, and it should not escape us that she tries to stop him because she is under a similar compulsion to go on a ‘journey’ herself† (36). So the main male and female characters are manifesting similar compulsions toward evil against which they must struggle. And these are the main in... ...ung Goodman Brown.† And both strands come together at the baptismal ceremony at the climax of the story where Goodman resolves his conflicts favorably.    WORKS CITED    Hawthorne, Nathaniel. â€Å"Young Goodman Brown.† 1835. http://www.cwrl.utexas.edu/~daniel/amlit/goodman/goodmantext.html    Lang, H.J. â€Å"How Ambiguous is Hawthorne?† In Hawthorne – A Collection of Critical Essays, edited by A.N. Kaul. Englewood Cliffs, NJ: Prentice-Hall, Inc., 1966.    Leavis, Q.D. â€Å"Hawthorne as Poet.† In Hawthorne – A Collection of Critical Essays, edited by A.N. Kaul. Englewood Cliffs, NJ: Prentice-Hall, Inc., 1966.    Martin, Terence â€Å"Six Tales.† In Nathaniel Hawthorne. New York: Twayne Publishers Inc., 1965.    Wagenknecht, Edward. Nathaniel Hawthorne – The Man, His Tales and Romances. New York: Continuum Publishing Co., 1989.         

Thursday, July 18, 2019

Women in the Military

Gender discrimination is a paradigm that has affected the role of women in the society depicting her as a minority contributor. Although the number of women in the military continuously increases this mishap is predominantly depicted because women are not allowed to engage in most combat duties as their counterpart male partners in most countries for example Germany, Spain and Italy. This further stimulates the physical and mental characteristics of men and women which argue against the support of women in the battle field. Women are perceived to be weaker than men because of their body structure which contains less dense skeletal systems thus have a higher possibility of fracturing or breaking their body parts. It is also argued that women’s bodies cannot handle the g-forces that are part and parcel of combat pilots therefore, less regarded in the aviation unit. Moreover, women are perceived as more prone to health risks than men thus highly vulnerable. A fact the submarine departments relies on to deny women career opportunities in this field (Adeboyejo 7-15). Women are also considered as psychologically incompetent because men lack the confidence of women performing similar duties as them thus mistrusts them. Men are likely to develop sexual relationship with the women thus affecting their performances. This also leads to unwanted pregnancies which incapacitates the role of the women. Furthermore, women are more likely to be captured by war enemies to be later subjected to dehumanizing acts such as sexual harassment and torture. Cultural practices and beliefs also perpetuate gender discrimination in military as these practices do not allow women to perform military tasks which are regarded as men’s role. Women who engage in this practice are considered as sexually promiscuous and therefore alienated from the community. Therefore, women are forced to prove their competence more than men to counter these allegations (Silva 937-960). This report aims at sharing the views and experiences of women in the military to enable the society to broaden its perspective and knowledge in an attempt of dispelling this paradigm and improve the situation for other younger women who desire to purse military as their career. History of Women in US Military The role of women in the US military was highly emphasized from the early 1900s though gender discrepancy took the toll of their activities and they were not allowed to engage in many tasks that military men were involved in. For instance in 1917 women were recruited as military nurses and doctors to tend to the injured men. Between 1940 and 1943 women were allowed to volunteer their services into the military forces where military curriculum was prevailed to their vicinity. However, they were given small ranks and duties such as being auxiliary corps and administrative officers while the men were their bosses. In the 1990s women were allowed to involve themselves with combat roles though were not accorded the opportunity to participate in the front lines. They were given small menial tasks such as carrying heavy war equipments and weapons to the front lines (Baker 12-238). Lately the role of women in the military have been further defined as a small percentage engages in the combat duties, submarine operations and aviation duties such as military pilots as bans that restricted women from flying aviation planes and ships have been lifted, for instance approximately 170,000 military women are among the US forces deployed in Iraq and Afghanistan (Baker 205). However, they still have to concentrate on proving their competence to the men and the traditional society (Baker 183-227). Hardships that Women in the Military Face Civilization has not totally eradicated this phenomenon as the appointment of officers is still not fairly done because women are treated as the minority which favors the men availing more appointment vacancies to them. Also the selection criteria for women is higher in comparison to that of men as conducted research depicts women in this field to be more learned than men. Therefore, women need to prove their confidence as there are very limited slots for their enrollment into the combat unit for instance in America approximately 15% of the women in the military force are allowed to serve in the combat unit (Mitchell 176). Women also still have to face sexual abuse and molestation from their counter parts while conducting their tasks. On the contrary this unjustly actions go unpunished as women who report such incidents are perceived as weak and thus cannot handle pressure and danger (Onesto para2-5). On the other hand the life of military women who report the incidents are made miserable while in the force by men who would go to extents of killing those women as a teaching guide to others to keep their mouths shut. For example Spc. Kamisha who was murdered in cold blood by her assaulter who she had previously reported three times (Creveld 85). Clearly these complaints in most occasions fall on deaf ears thus perpetuating the criminal offense. For instance in reference to the above case, Spc. Kamisha had reported her assaulter three times with no stern action being taken against him. This increases the vigor of women as they attempt to overcome this predicament and shun it while trying to prosper in the military field. Military women are also commanding for respect and recognition of their rights from the male counterparts, the society and traditional beliefs (Creveld 82-98). It is also quite evident that men in the military receive recognition and acknowledgment for their efforts and success unlike women who have to fight for this provision by demanding popularity in the force which prevails opportunities for them to prove their competence. Also the fact that women are supposed to serve their families and fully dedicate their lives to family responsibilities has increased the campaigns against the incorporation of women in the combat unit especially in countries where Muslim as a religion is prevalent. Therefore, women try to perform dual duties of establishing their responsibilities in the military forces and at home as mothers, in an attempt of proving to the society and men in the military of their capabilities in addressing the two responsibilities to earn the same treatment and respect accorded to man (Mitchell 256). The society has depicted two different stereotypes in the human race where men are portrayed as more analytical than women thus performs their duties better than women. In the event women in the military have to emanate more effort so as to be accorded the same treatment as men and allowed to engage in tasks that men are involved in, for instance submarine and aviation activities. Therefore, women have to maximize on their liberation from administrative and cultural constraints to portray their independence and unshakable attitude to discern this allegations and prove their abilities to work under pressure depicting analytical skills (Hogg para. 3-6). Current Status of Women in the US Military. In the past women were banned from participating into ground combat activities as they did not fulfill the criteria set in the physical test standards. Currently these standards have been re-evaluated and changed to allow more women to perform combat duties as men because of the high demand for military troops to perpetuate peace in Iraq and Afghanistan. In the event women have been allowed to perform their civic responsibilities however, women are still demanding equal civic promotions and acknowledgment. This initiative has still not been fully approved even though implementation steps have taken place. Critics of this move argue that this provision will disrupt the cohesion of men while on duty thereby decreasing their performance and concentration. Also, more women are being recruited into military camps and marine forces. Furthermore, the women are now being trained to defend themselves against sexual harassment and discrimination to avert the inhuman vices that surround them (Manning 7-12). Conclusion The society, government, ethicists and critics should aim at stipulating legislations that support military women to enable them to develop their careers by availing the same treatment accorded to men and in the event protect their rights. Therefore, military women should volunteer to share their experiences both the hard times and jovial moments to enable effective publication of the social injustices they undergo and thus perpetuate the eradication of gender discrepancies in the military, thereby allowing more female youths with the desire of perpetuating their civic responsibility as military agents to do so with ease and pleasure. Word Count: 1413 Annotated Bibliography Adeboyejo, Betsy. â€Å"Women in the Military Face Increasing Opportunity and Risk. † Crisis (15591573). 110. 3 (2003): 7-15. Adeboyejo outlines the increased opportunities for recruiting women in the military as they are can now engage in Marine Corps and aviation unit activities. However, the author stipulates the risks that women have to face while in the military and sends an outcry to the relevant authority challenging them to re-evaluate their policies and improve the working environment for women. Baker, Anni. Life in the U. S. Armed Forces: (not) Just Another Job. Westport, Connecticut: Greenwood Publishing Group, 2008. The author gives the history of women in the military and the development the career has undergone. She further elaborates the duties of both women and men in the military outlining the dedication they put to protect the residents of their countries. Furthermore, she explains that they need to be highly regarded and respected for the work they do is cannot be compensated. Anni also encourages the youths to consider military as their career prospectus because it will give them a chance to fulfill their civic duty and thus reduce the crime rate in the society. Creveld, Van. â€Å"Armed But Not Dangerous: Women in the Israeli Military†. War in History. 7. 1 (2000): 82-98. The author explains the hardships that women in the military face. He further liberates the practice of women always being armed because he describes it as a mechanism for protecting themselves from unethical behaviors that deny them their rights. Hogg, Jennifer. Military Women – Ready to Rock the Boat 18th, July, 2008. Women's Media Center. 22nd, May, 2008. < http://www. womensmediacenter. com/ex/071808. html>. Jennifer Hogg an author in the Women's Media Center published this document with the aim of outlining issues that curb the development of women. She discusses the role the society, government and traditional practices plays in advocating for gender inequality. She uses the military career for women as an example and elaborates what these women face while trying to prove their self worth. Manning, Lory. â€Å"Military Women†. Women's Review of Books. 21. 5 (2004): 7-12. The author studies the life of women who peruse military as their career. The conditions and attitudes that the women in the military display are well elaborated in the journal. The author also mentions the struggle that the women have done to improve the condition of their career which has had a positive impact on the perception of the society and government bodies. Mitchell, Brian. Women in the Military: Flirting with Disaster. Washington, DC: Regnery Publishing, 1998. The author explains the kind of conditions women in the military undergo describing the career as a disaster. He outlines the hardships women have to dwell with everyday and the extent the mechanisms they have adopted to be able to shun the paradigm of gender discrepancy. Onesto, Li. Reality for Women in the U. S. Military: Rape in Uniform. 8th, December, 1996. Revolutionary Worker #886. 22nd, May, 2009. < http://rwor. org>. Onesto, Li a revolutionary worker wrote this piece with the aim of uncovering the sexual harassment, molestation and abuse women in the military face. She explains that when she was on duty the things she saw were horrific as women would get gang raped and not report the incident for fear of her life. Onesto says that those incidents broke her heart thus decided to air out the grievances that women in the military face in an attempt of attracting the attention of the relevant authority. Silva, Jennifer. â€Å"A New Generation of Women? : How Female ROTC Cadets Negotiate the Tension between Masculine Military Culture and Traditional Femininity. † The University of North Carolina Press 87. 2 (2008): 937-960. The author conducted interviews on, military women and men in the Reserve Officers' Training Corps to learn how women surpass the allegation aired out because of going against traditional practices and indulging themselves in masculine activities.

Wednesday, July 17, 2019

Contracts Practice Exam

go after v. Alex Was thither an Offer from Alex to dog on February 1st ? An strait is an outward rumination of intent to be bound by studyual agreement requiring definite and authentic harm that are communicated to the put forwardee. chase aftersleigh exit assert that when Alex get off him a earn scissureing him Ocean stooln for the whitethorn-June season that Alex did this act with a present contractual intent in mind. Further, the facts stipulate that Alex identified the foothold as same name as resist family which implies both parties are certified of the impairment.Lastly, given that Alex asked chase to respond at bottom a week, implies that he sent dockage an tolerate to lease Oceanhaven for the season. Was there an corroboratory repeal of the offer on February quaternate? The k nowledge by an offeree from a authentic source that offeror can non perform. It requires acts inconsistent with the contract. The facts assert that track wise(p) about Oce anhaven no acheer creation on tap(predicate) on February 4th. Further, go after comprehend this information from his existing estate agent. Since his real estate agent is probably in the business of knowing what properties are available for season removeals, this appears to be a accredited source.Moreover, the news the real estate individual shared was that Oceanhaven was admited to someone else for 6 calendar months, sound March 1st. Accordinly, Oceanhaven would no time-consuming be available from whitethorn through June. Because of this, the offeror can no longer perform. Lastly, since the psyche who is renting Oceanhave is non affiliated with dock, it is rational to say that the acts are inconsistent with the foothold of the offer. Did pier seize Alexs offer on February fifth? An espousal is an commanding assent to the terms of the offer. A two-sided contract requires a return hope while a unilateral contract requires complete performance.According to the fac ts, Bob wrote Alex on February 5th stating Ill present Oceanhaven per your leeter of February 1st. Being that Bob real Alexs terms as-is, Bob uniquely assented. Further, given that to the terms of the offer were same as last year, it is reasonable that Bob was aware of the terms of the agreement. Should the court determine that Alex did not have an indirect annulment on February 4th, Bobs acceptance is legitimate because he wrote back within a week, as per the terms of the offer. Bob v. turkey cock Was there an offer from tomcat to Bob on February 2nd?See supra Here, the facts display that Bob visited the Shores to inquire about homes for rent for one season. Further, Tom, the caretaker of the Shores, pictureed Bob both the Yellowhouse and glasshouse as homes that would be available for Bob to select from. Lastly, Tom berthed Bob a garner stating he had sustain all terms with the owner of the home, Dave. Because of Bobs actions of touring the Shores and because of Toms a ctions of electropositive the terms of contract with the homeowner originally mailing the letter, both parties had a buy the farm and present intent to form a contract.Next, Bob will assert that the terms were definite because Tom had give tongue to he already confirmed them with Dave and that the terms were Yellowhouse at $5,000, or babys room at $2,000 for the May through June season, all services included, due in equal monthly installments. Since the outlay was specified, the length of the contract was identified, and the item be considered for rent was specified either the yellowhouse of the Greenhouse. Accordingly, the terms were definite for both parties. Lastly, Tom mailed the letter to Bob, who current it on February 2nd.Thus, the offer was communicated to the offeree by mail. Was there a counter-offer for Yellowhouse on February 4th? Words of conduct that a reasonable person would understand as a rejection of the terms of the offer. Here, the facts show that bob wr ote to Tom on February 4th regarding the yellowhouse and stated, I believe your prices are high. Will you take $4,000 for Yellowhouse? Because Bob was trying to affirmatively change the terms as specified by Tom for yellowhouse, Bob rejected Toms offer of the yellowhouse for $5,000 a month.Did Bob accept Toms offer on February 4th for Greenhouse? See in a higher place Acceptance is effective upon dispatch. The nonage regularisation is acceptance effective upon receipt. Further, in his repartee to Tom, Bobs letter stated If not, then Ill have to pay off for Greenhouse, and I agree to the $2,000 you ask. Because Bob unequivocally assented to the terms of the contract, and since the terms were definite, $2,000 a month for the months of May through June, Bob accepted the offer. Finally, Bob mailed the acceptance letter on February 4th, just two days after he authoritative the offer from Tom.Since Tom initiated the offer via the mail, the acceptance now falls under the mailbox ru le. The volume views acceptance upon dispatch while the minority views acceptance upon receipt. Was there legal servant for the Greenhouse contract? That which is bargained for and given in exchange for a specified returned promise. Here, the facts show that Tom, an employee of The Shores, had confirmed the prices for both Greenhouse and Yellowhouse. For $5k a month, Bob would be able to rent Yellowhouse amidst the months of May through June or, Greenhouse for $2k a month between the months of May through June.Since money is a valid item used for bargaining, there was a bargained for exchange. Further, Bob promised to rent Greenhouse between the months of May through June and since he was not already obligated to this promise, he was allow to enter into the consideration. Was there a valid revocation of the contract for Greenhouse on February 5th? An offeror may expressly revoke an offer as long as it is communicated to an offeree prior to a by the bye acceptance. It is effect ive upon receipt.Here, the facts state that Bob reliable a letter from Tom on February 5th stating, our deal is off. Since the terms are clear that Alex no longer wishes to engage in the contract, it is decisively situated upon the mailbox rule. Given that Bob mailed his acceptance on February 4th, the majority has the acceptance effective upon dispatch. Thus, if Bob is in a jurisdiction that follows the majority, there was not a valid revocation because the revocation was received after the acceptance. However, in jurisdictions following the minority, acceptance is valid upon receipt.Given that Tom received Bobs acceptance in the mail on February 5th, in the minority, Bobs acceptance did not occur until February 5th. Accordingly, in the minority, in order for Toms revocation to be effective, it must be received by Bob earlier Tom received Bob received the acceptance letter. Since Bob received the revocation on February 5th, it can be inferred that Tom mailed the revocation befor e that date, as such, in the minority, Toms revocation was valid since he had not in so far received Bobs acceptance.

Tuesday, July 16, 2019

Gantt Chart for Execution of House Construction Essay

Gantt Chart for Execution of House Construction Essay

Be specific with the sort of graph deeds that youd like to create.Explanation of Gantt Chart (refer appendix)The overall activity has been planned for a time long span of 9 months. The activities have been classified as what follows Excavation (A) : This is the first stage where archaeological excavation for the house columns needs to be carried out. The lead time for this physical activity is one month. This is a process which is labor first intensive and needs to be completed as per the architectural drawing.Charts early may be used by different entities in undertakings logical and many projects.Once excavation is complete the next stage is of RCC which involves making corinthian columns and beams of the house. Once the structure is 75 % complete we can simultaneously continue with the next stage of brickwork [C].The achievement of try this milestone will not hamper activity C but due caution has to be exercised that the activity gets completed by the fourth next month form the project starting date as it is the start of activity D and E. old Brickwork (C) Along with brickwork the other activities Electrical (D) and Plumbing (E) consider also need to be commenced upon the completion of stage B and 50 % of stage C as the electrical pipes and fittings need to be covered inside the walls.

Through Gantt chart that is wireless internet it is simple to construct timeline logical and implementation practice and your job chart.Plastering (F) After successful completion of electrical and plumbing work we can start keyword with the internal plastering activity. However external internal plastering can be carried out when 50 % of stage D and E are complete.This is the second third milestone. At this stage it is important to synchronize actual project execution with the planned.Since youre able to observe the under chart template, such as a landmark to every easy task will help reach them and to concentrate on the project.Gantt charts are best for new strategies and projects.

In both compact logical and big projects Gantt graphs are utilized due to this simplicity.Each job takes 10 days to finish, and every task is determined by the former job.Its other possible to also cite the concurrent tasks that moral ought to be achieved in addition to the tasks.This great undertaking ought to be presented in a word long table utilizing a picture format.

Without these charts you cannot have to take care of the project.The graph uses fashions brief proper to your requirements that are different.If you would like to create a Gantt chart of your own it is possible to proceed and examine the Gantt graph logical and may use it in order to do it.Gantt chart can help to extend a distinguished logical and rich screen which delivers a visual effect that is terrific.