Question

what is mean by virus

Answer 1

virus are the sub MICROORGANISMS which have the characyerstics of both living and non living things.

Answer 2

A computer virus is a malicious software program loaded onto a user's computer without the user's knowledge and performs malicious actions. ... It can self-replicate, inserting itself onto other programs or files, infecting them in the process. Not all computer viruses are destructive though.