Question

How can a computer virus spread from one computer to another ?

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Answer 1

Answer:

A computer virus is a malicious software program loaded onto a user’s computer without the user’s knowledge and performs malicious actions.

The term 'computer virus' was first formally defined by Fred Cohen in 1983. Computer viruses never occur naturally. They are always induced by people. Once created and released, however, their diffusion is not directly under human control. After entering a computer, a virus attaches itself to another program in such a way that execution of the host program triggers the action of the virus simultaneously. It can self-replicate, inserting itself onto other programs or files, infecting them in the process.

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Answer 2

Answer:

 A computer virus is a malicious software program loaded onto a user’s computer without the user’s knowledge and performs malicious actions.