Computers are very useful for our life. They has a lots of useful functions we can't expect and give so much information. And also they're essential things for human beings. We use them for work and also for fun everyday. We can get much information we didn't know, file information or documents, watch movies and many TV program, play games, communicate with others, and buy and sell somethings on Internet.
However, there are some problems. For example, there are personal information, wrong information, an online bad site like a dating site, and post some malicious slander messages on a bulletin board and so on. We have to nip in the bud these things as soon as possible.
[120 words]
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