A macro virus is a computer virus written in the same macro language used to create software programs such as Microsoft Excel or Word.
The concept behind the first malicious computer programs was described years ago in the Computer Recreations column of Scientific American. The metaphor of the "computer virus" was adopted because of the similarity in form, function and consequence with biological viruses that attack the human system.
A computer virus is a type of malicious software, or malware, that spreads between computers and causes damage to data and software.
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