A computer virus is an illegal and potentially damaging computer program designed to infect other software by attaching itself to any software it contacts. In many cases, virus programs are designed to damage computer systems maliciously by destroying or corrupting data. If the infected software is transferred to or accessed by another computer system, the virus spreads to the other system. Viruses have become a serious problem in recent years, and currently, thousands
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storing important data and program files.
Before use, scan every floppy disk with a virus scan program to check for viruses. Implement a
backup plan and adhere to its guidelines.
Check all programs downloaded from the Internet or bulletin boards for viruses. Keep backup copies of files in fireproof safes or vaults off-site. If your system becomes virus infected and you have questions, contact the National Computer Security Association (NCSA) for low-cost assistance (Elmhurst, 6 Nov. 1998).