Question

A program which runs on any computer system without user’s knowledge……………………​

Answer 1

Answer:

Computer Malware . ex virus, trojan horse,worms, spyware adware etc

hope it helped you:)

Answer 2

Answer:

Computer Malware . ex virus, trojan horse,worms, spyware adware etc

Explanation:

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.