A computer is a general purpose device that can be programmed to carry out a set of arithmetic or logical operations. There are many types of computers that we are using now like personal computers (desktop)‚ mobile computers and mobile devices‚ game consoles‚ servers‚ mainframes‚ supercomputers‚ and embedded computers [1]. Since a sequence of operations can be readily changed‚ the computer can solve more than one kind of problem[2]. Every day‚ people around the world rely on different kinds of computers
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makes us easier to communicate with each other. Until September 2011‚ Skype has 663 million registered users around the world. I.2 Problem 1. What is Skype and what are its features? 2. How to operate Skype? 3. What are the advantages and disadvantages of using Skype? I.3 Purposes The purposes of
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is important to stay focused and get good grades‚ teens who use drugs and alcohol have declining grades‚ miss more school‚ and are more likely to drop out of school. If teens end up using substances it could affect their academic ability. Teens are using drugs and other substances more often now‚ causing bad grades‚ family and health issues and many other problems. If parents and schools could try harder to keep teens safe from drugs they could help decrease the amount of teens who use illicit substances
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Aim/Objective To compare the concentration of reducing sugars in three different types of canned soft-drinks available in the school canteen. Background information: Reducing sugars are any sugars that in basic solution forms some aldehyde or ketone. This allows the sugar to act as a reducing agent‚ for example in Benedict’s reaction. [1]Reducing sugars include glucose‚ fructose‚ glyceraldehyde‚ lactose‚ arabinose and maltose. All monosaccharides which contain ketone groups are known as ketoses
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Epidemic of Teenagers Abusing Drugs Krystyn Romualdo COM/156 November 18‚ 2012 Jackie Hudspeth Jr The Epidemic of Teenagers Abusing Drugs To have known so many people that have struggled with drug addiction in their teenage years it has become very apparent what a vital time in one’s life it is to know the dangers of abusing drugs as a teenager. Even though not all teens abuse drugs‚ it is an epidemic in the United States because more teens are turning to drugs to escape or use out of boredom
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instance‚ you want to buy some goods online‚ you have to provide some of your information to the website so that they can deliver them to you. Maybe your information is hacked and the hackers can use it for much bad purpose like buying other things using your account...Your e-mail box can receive some spam that you don’t want and you feel unsafe when you think that a person is following you in some ways. Furthermore‚ although we can use the Internet as a means of entertainment with a lot of interesting
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Aranda MS Claudia Ortega Essay 2 Draft 1 Should drivers of automobiles be prohibited from using cellular phones? Do you know that 78% of Mexican drivers use a phone while driving? Cellular telephones have become a common place possession over the last decade‚ thanks in part to advances in wireless technology and immense public demand. Many people say that cell phones are modern‚ small‚ compact and easy to use them. But using a mobile phone while driving creates a significant accident risk‚ to the
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more convenient seems to be practical. Nevertheless‚ it makes the assumption that people are over-dependable on them. As I shall argue‚ this not the whole picture‚ and there are some negative effects that cars bring to us. Both the pros and cons of using cars will be discussed in this essay. First of all‚ I firmly believe that natural environment and people’s health are being threatened by cars. For example‚ increasing numbers of cars is the reason why there is an increased demand for the petroleum
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speech titled ‘The disadvantages of using the Facebook among students’. As we all know‚ today’s world is full of modern technologies‚ especially in the field of communication. No one can deny the efficiency of these tools‚ such as Twitter‚ Skype‚ Friendster‚ and so many more. Unfortunately‚ if wrongly used‚ these brilliant inventions can also bring disadvantages for its young users. Hence‚ let me bring your attention again towards the title of my speech‚ ‘The disadvantages of using the Facebook among
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Is Music Prohibited in Islam? Discussing the issue of music in Islam sounds a bit controversial. If we suppose that music is food for the soul‚ we cannot easily say if it is allowed (Halal) or not. Unlike the issue of meat in Islam that is precisely explained in the holy Quran‚ the issue of music has never been mentioned in the Quran. However‚ we cannot say that because God has not directly spoken about music‚ therefore it is allowed (Halal) or forbidden (Haram). Because music is something that does
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