interconnection between the public switched telephone systems to radio transceivers. From the earliest days of transmitting speech by radio‚ connection of the radio system to the telephone network had obvious benefits of eliminating the wires. Early systems used bulky‚ high power consuming equipment and supported only a few conversations at a time‚ with required manual set-up of the interconnection. Today cellular technology and microprocessor control systems allow automatic and pervasive use of mobile phones for
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There are many conflicting claims‚ and studies about the cellphone radiation exposure. Some studies suggest that there is no evidence that cellphone can cause cancer‚ others are saying that there are credible amount of evidence that the use of cell phone cause health complication including cancer. According to the article “Dangers of today technology” Recent research shows that cellular phones can cause health complication‚ including cancer. “Heavy long exposure to cell phone radiation increases
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Education Should Be Free The school is the last expenditure upon which a country should be willing to economize. Franklin D. Roosevelt Personally I believe‚ that education should be free. Every country should be interested in a well educated youth. That is because the young are our next generation and our future. Compulsory education is free‚ but higher education is really expensive. In Belarus 36% students are provided state-subsidized education. Other 64% pay about one thousand dollars yearly
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Cell phones have become a crucial part of modern society‚ yet few people know their origins. From the Motorola DynaTac to the iPhone 5S there is an interesting history in the cell phone. Early forms of cellular communication were the radios in ships and trains. The drive for the invention of truly portable devices came after World War II. Motorola demonstrated the first genuinely mobile phone in 1973 and a Japanese company named NTT launched the first automated commercial cellular network. However
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is meant as a polemic against the increase of tuition fees. These fees appear to them as the price for a commodity named education or training. For them‚ “economic thinking” would enter a sphere where it has no business being – the sphere of university education. Education cannot be given a price and has nothing to do with “economic uses.” In addition‚ a high price for education would constitute another hurdle which must be overcome before “working class and minority students” can study. This criticism
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Will this save parents money? Teenagers prefer smartphones to cars‚ according to research firm Gartner‚ highlighting the impact of technology on kids and the auto industry’s future challenges. The study found 46 percent of young adults aged 18 to 24 prefer access to the Internet over access to their own car‚ and that teens drive less overall today than they did in past generations. Comparatively‚ only 15 percent of baby boomers said they would choose a mobile device over an automobile. The
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Pike 10/4/13 Cellphones in Today’s World: Cellphones have become one of the most useful and innovative technologies of the recent decade. Cellphones are so widespread and common that much of the population worldwide owns one. An article from TIME stated‚ “Out of the world’s estimated 7 billion people‚ 6 billion have access to mobile phones. Only 4.5 billion have access to working toilets.” (Wang 1). This statistic is shocking‚ and goes to show how commonplace cellphones have come in today’s
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Should Putonghua Be Used to Teach Chinese? The Chinese level of Hong Kong students is declining. The supporters said that using Putonghua as a medium to teach Chinese can greatly improve student’s Chinese proficiency. However‚ the opponents claimed that using Putonghua to teach Chinese will hinder student’s learning effect instead of improving their Chinese level. Putonghua should not be used to teach Chinese because it creates difficulties to local students in learning. Obstacles exists in teachers
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students cannot even bring their cellphone to school? Many people would agree that students should not have a cellphone in the classroom. This can led to so many problems because many students can have their cellphones stolen‚ lost‚ or taken by a teacher because many do not allow cell phones to be used in their classrooms. Cellphones are very distracting to the classroom‚ they can cause problems with theft or various issues dealing with bullying could arise. Today‚ cellphones can be quite a distraction
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Mass media as Influential Tools Used by American Politicians Mass media is a very powerful tool used by American politicians in order to reach and influence the public. The conventional wisdom suggests that the media is supposed to function as a watch-dog nipping at the heels of government officials to prevent power abuse and sustain transparency. However‚ it is alleged that media works a “propaganda network” through which politicians filter realities‚ frighten people‚ and enhance their public
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