How is a computer worm different from a virus?

Q. How is a computer worm different from a virus?

Answer: -

Worm:-
• A worm is a program designed to replicate. The program may perform any variety of additional tasks as well.
• Worm is less harmful.
• Worm does not needs human action to replicate.

Virus:-
• Computer viruses are malicious codes/programs that cause damage to data and files on a system.
• Virus is more harmful.
• Virus needs human action to replicate.