A computer virus is a type of computer program that, when executed, replicates itself by modifying other computer programs and inserting its own code. If this replication succeeds, the affected areas are then said to be "infected" with a computer virus, a metaphor derived from biological viruses.

What is computer virus explain?

Definition: A computer virus is a malicious software program loaded onto a user's computer without the user's knowledge and performs malicious actions. Description: The term 'computer virus' was first formally defined by Fred Cohen in 1983. Computer viruses never occur naturally.

What is computer virus short answer?

A computer virus is a malicious piece of computer code designed to spread from device to device. A subset of malware, these self-copying threats are usually designed to damage a device or steal data.