What is virus in computer system and its types?
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A computer virus is a malicious program that self-replicates by copying itself to another program. In other words, the computer virus spreads by itself into other executable code or documents. The purpose of creating a computer virus is to infect vulnerable systems, gain admin control and steal user sensitive data.
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computer virus is a program or set of programs that distracts the in normal function of a computer... a virus infects or destroys data...it enters into a computer without the permission or knowledge of the user...
viruses can be classified into two major categories....
- boot viruses
- program file viruses
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