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Virus Essay

1. What is a Virus?
A computer virus is a program that can copy itself and infect a computer without the user knowing. Some viruses are made to damage the computer by damaging programs, deleting files, or reformatting the hard disk. Others are not designed to do any damage, but replicate themselves and perhaps make their presence known by displaying text, video, or audio messages. Even these benign viruses can create problems for the computer. They usually take up computer memory used by other programs. As a result, they often cause crazy behavior and can result in system crashes. Also many viruses are bug-ridden, and these bugs may lead to system crashes and data loss.

2. What is Anti-Virus Software?
Antivirus software is a computer program that trys to identify, stop and remove computer viruses and other malicious software like trojan horses.

Antivirus software usually uses two different techniques to accomplish this:
• Scanning files to look for viruses matching......


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Approximate Word Count: 424
Approximate Pages: 2 (250 words per double-spaced page)

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