Question

what are viruses?what are the functions of viruses?​

Answer 1

A computer virus is a set of self-replicating and infectious malicious code which performs suspicious functions without the consent of a computer user.

FUNTION:

The purpose of creating a computer virus is to infect vulnerable systems, gain admin control and steal user sensitive data.

Answer 2

The main purpose of a virus is to deliver its genome into the host cell to allow its expression (transcription and translation) by the host cell. A fully assembled infectious virus is called a virion.