Q:

What is the primary difference between virus and worm?

• 1
  A worm has the ability to self-propagate from the infected computer of the user to other computers.
• 2
  The worm is usually written by a cracker - script bunnies do not have the skill of worm program development
• 3
  Viruses are very harmful for the computers it infects; Worm is not such a serious problem.
• 4
  Antivirus is effective for fighting software, not for fighting worms
• 5
  None of the above