Question

What is a virus in computer?? and how it functions?

Answer 1

A computer virus is a type of malicious code or program written to alter the way a computer operates and that is designed to spread from one computer to another.

A virus operates by inserting or attaching itself to a legitimate program or document that supports macros in order to execute its code. In the process, a virus has the potential to cause unexpected or damaging effects, such as harming the system software by corrupting or destroying data.

Answer 2

a virus is simply a software who's work is to destroy your personal computer. a virus can even be made in notepad. it is simply a bunch of codes who's work is to follow the instructions given by the virus creator