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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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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Advantages of computers: Increases speed of computing and processing information in any other way. People can use sophisticated statistical and mathematical tools for decision making and further purposes without learning in details the algorithms used for computing. This way people can use much more sophisticated analytical tools that would have been possible with only manual information processing. Computers can store large volumes of information without occupying too much space‚ as is in the
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People often do not see any disadvantages of having computers; I will try to show you good and bad sides of using them. In the first place‚ a computer is a really comfortable‚ convenient and helpful thing; it often makes lots of work for us which normally consumes plenty of time.Another useful thing is that computers now are often small and we can take them wherever we want. We can use them f. ex. in planes‚ restaurants or in same waiting rooms.An additional advantage of using the computer is that we
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In our modern word today‚ there is transport of choices for us. Although people do enjoy the convenience and privacy of traveling in their own private vehicles‚ in my opinion they may choose public transports. Overall‚ we are able to recognize its huge benefits such as safety‚ facility and familiarize with environment‚ even in some cases these vehicles also assist us moving faster than others do. Daily‚ if we spend a few minute to travel around the world by Medias‚ we will be able to
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Development of dynamic routing protocols is a huge challenge in the design of Ad hoc networks which can proficiently find routes among. These protocols are classified into hybrid‚ pro-active and reactive routing protocols [3] and the identification of the most appropriate routing protocol to be used depends on various facts which are scalability‚ traffic and mobility models and quality of service. The CBR (Constant Bit Rate) and TCP (Transmission Control Protocol) are mobility and traffic models
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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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