A virus is a computer program that replicates by attaching itself to another object. For example, a virus could be hidden in a Word document. When you give that Word document to a friend (via disk or via e-mail) you have spread that virus. If your friend opens that Word document on her computer it can then infect other documents, orif it is a malicious virus might even delete some important files. A worm is a computer program that replicates independently by sending itself to other systems. Thus a worm can spread much faster. Worms often spread over e-mail. When worms are received through e-mail, they often look at the address book and automatically send a message containing the worm to everybody in that address book (including your friends). Again, if that worm is malicious it might delete files.
Related to Category: Tech
Category: Software
Submitted 22 October 2015

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