Many people theses days own a computer, but the problem is that the owner doesn't know the dangers of having a computer. One of the worse things that can happen to a computer is it can be infected by a virus. A virus may simply cause a harmless joke to appear each time the computer is turned on; A more damaging virus can cause major problems within a few minutes. These major problems can cause …
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showed last 75 words of 1841 total
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