Computer Viruses

Professor J. Brown
Information Systems 201
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 of known virus programs exist (Reed 85-102).
Three types of viruses are a boot sector virus, file virus, and Trojan horse virus. A boot sector virus infects the boot program used to ...

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and then displaying sounds or messages. Other viruses contain time bombs or logic bombs. A time bomb is a program that performs an activity on a particular date A logic bomb is a program that performs an activity when a certain action occurs, such as an employee being terminated. A worm, which is similar to a virus, copies itself repeatedly until no memory or disk space remains.
To identify computer viruses, antivirus programs have been developed. Besides detecting viruses, antivirus programs also have utilities to remove or repair infected programs and files. Some damaged files cannot be repaired and must be replaced with uninfected backup files. The table below outlines some techniques used to protect computer systems.


* Techniques for Virus Protection and System Backup

* Using Virus Protection Software

* Backing Up Your System

* Install virus protection software on every computer system.

* Develop a regular plan for copying and storing important data and ...

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Computer Viruses. (2004, December 3). Retrieved July 11, 2020, from
"Computer Viruses.", 3 Dec. 2004. Web. 11 Jul. 2020. <>
"Computer Viruses." December 3, 2004. Accessed July 11, 2020.
"Computer Viruses." December 3, 2004. Accessed July 11, 2020.
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Added: 12/3/2004 04:55:35 PM
Category: Computers
Type: Premium Paper
Words: 466
Pages: 2

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