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Glossary of Data Communications Terms
Courtesy Enterprise-Wide Computing, Inc.
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Term:
virus
Definition:
A program that is used to infect a computer. After virus
code is written, it is buried within an existing program.
Once that program is executed, the virus code is also
activated and it attaches copies of itself to other
programs in the system. Whenever an infected program is
run, the virus copies itself to other programs. A virus
cannot be attached to data. It must be attached to an
executable program that is installed on a computer. The
virus-attached program must be executed in order to
activate the virus. See logic bomb, and worm.
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