What is a computer virus?

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Rajib De

Tutor taking Computer subjects Classes

Computer virus is a program which attacks our booting system or system programs or application programs . some damages the system , some steals information . it may occupy the memory space by replicating it numerous times . antivirus is to be installed in a system to combat virus.
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Computer Expert

A computer virus is a malware that , when executed, replicates by inserting copies of itself program, data file or boot sector of the harddrive .
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Tutor

Virus stands for Vital Information Resources Under Siege. It is a piece of code which is capable of copying itself and typically has a detrimental effect, such as corrupting the system or destroying data.
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