Skype 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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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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activity in relation to these websites might become difficult. Other disadvantages are represented by the viruses that may harm the performance of the device connected to the internet or even exploit security vulnerabilities to spread automatically to other computers through networks. Among the negative aspects‚ the possibility of becoming a victim of online fraud should also be mentioned. Even if there are many disadvantages to consider‚ the internet is still a necessary evil. It helps mass communication
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efficiency and organised‚ so your boss is glad. What is more computers are being increasingly used in medicine. They are very helpful in medical diagnosis‚ patient monitoring and general hospital administration. On the other hand using computers has several disadvantages. They are very bad for health. For example screens destroy eyes even with a low radiation screen. Many people complain for that issue‚ because then they have to pay for oculists and wear glasses. Also there are a lot of viruses which
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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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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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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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Cell phone is the most popular technological product nowadays. It is used by almost people off all ages. It seems to be very useful. In fact‚ for every plus‚ there is minus. In my opinion‚ although cell phone shows us many advantages‚ it also brings us some disadvantages. For one thing‚ cell phone really makes our life easier because of the following reasons. First‚ it is very convenient. It helps us contact with people at anywhere over the world in a fastest way. People use it to connect with others
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Mobile phones are one of the most positively viewed inventions in the technological era. Considering that fact a serious question arises. Are there any advantages and disadvantages of using a mobile phone? Earlier days‚ when we were out of home or office‚ we needed to search for a public telephone booth to make a phone call. Now‚ we pick up our mobile phone and dial. It is a fact that having a mobile phone nowadays is a sort of a necessity. Mobile phones‚ formerly use only for making a call‚ were
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Advantages and disadvantages of using mobile phones In this modern society‚ mobile phones have become part of one’s life. The mobile phone is a marvelous invention. It contributed a lot in connecting people from every corner of the world. The mobile phone is just a small device which can call people any time anywhere‚ it is very convenient towards people. From the customer’s point of view‚ it is obvious that mobile phones assist you in business a lot‚ such as‚ make schedule of working‚ surf the
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