英语作文computer.doc

The ComputerThe computer is widely used in all phases of society. In industry, business, education, medicine, nearly all walks of life, computers have made their appearance, providing great speed and accuracy for our work. Computers have been used in the home, offices, laboratories and research institutions, functioning as the most efficient and versatile instruments for calculating, sorting, filing, recording and distributing. Computers are indispensable to modern civilization. Without computers, our life and our society will undoubtedly suffer a big regression.During the past five decades the computer has been rapidly advanced. Ever since the computer came into being, it has experienced the development of several generations, which are based respectively on vacuum tube, transistor and integrated circuit. Early computers were of great size, and had no match for the latest electronic computers in speed and accuracy. The Latter is capable of processing the most complicated information and reaching solution to problems in a fraction of time. At present, efforts are being made not only to bring the hardware to perfection, but also to improve the quality of the software.Computers must be instructed and programmed by people. In spite of the remarkable skill of the computer, men can never become its slave. Computers are not creative. They work according to mens instructions. So the development of computers and their use will depend upon the ingenuity of men. Although there are times when computers seem to operate like a mechanical “brain”,their achievements are not comparable to what the minds of men are able to do.Computer Crime With the wide use of computers, computer crime grows and becomes a social problem all over the world. Now, nearly all companies use computers to do their work. The information kept in their computers is important to them, Some hackers steal the important information from one company and sell it to another. Consequently, the company will lose in the competition. Especially harmful are criminals who install a virus into the government computer system. It can damage files and bring business to a halt, thus disordering the national economy.Today, the government and many corporations upgrade the software and sat codes for their computers. Moreover, people can build up firewalls and install anti-virus softwares to protect against surprise attacks by hackers. Whats the most important is that the government should enforce the law and crack down on computer crime.Computers are good or not-电脑的利弊In the last hundred years,people have set a new mind-blowing rate for the developing of new technologies. New produces are being conceived every minute of every day, all of which will impact people in some respects. However,in all these technologies and produces computers have been the most important influences on people. Some people assert that computers have made life more complex and stressful, while some people believe that computers have made life easier and more convenient. From my point of view, the advantages of computers are the leading sides and computers become a necessary part in peoples lives. Perhaps computers may quicken our pace of life and make our life more complex and stressful. computerWith the rapid development of technology , The computer is widely used in all phases of society. People, who want to find a good job, must learn how to use computers.why? On one hand,the computer technology is a very complex subject. If you want to use computers very well, you must take a lot of time to study and practice it. On the other hand, computers develop so fast that people must study new technology constantly. Those all make people feel stressful. Even though there may be one or two disadvantages to develop computers, the advantages fast outweigh them. The major point for my purchasing for computers is that computers can help people do many things, including complex computation, storing and searching information and some work that is dangerous for people to do. For instance launching a rocket up to outer pace needs so complex computation that people can not do it without computers; searching the newest information is of vital importance for business, so people will not be successful in business without computers. Computers have facilitated促进 many of our working processes and we have already grown dependent on them. Another advantage of computers is that people can use them for entertainment in spare time. From pc games to online chatting, computers have the ability to entertain us in a wide variety of ways. After a busy day, playing pc games is the favorite thing for most of my classmates. And in todays life, a lot of young people could have not televisions, but they must have a set of computer. Now many films display fascinating images by using computers to deal with them. In