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英语四级作文900字：计算机犯罪(Computer Crime) with the wide use of computers, computer crime grows and becomes a social problem all over the world. now, nearly all companies usa 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. |