It can also be very destructive and damage your computer's programs and files causing the computer to stop working. The virus program can be simply annoying like displaying a happy face on the user's screen at a certain time and date. Viruses can be transmitted by Booting a PC from an infected medium, executing an infected program.Ī virus is a program designed by a computer programmer (malicious hacker) to do a certain unwanted function. Infections spread from machine to machine, and from organization to organization, in a number of ways. As long as the virus is active on the computer, it can copy itself to other files or disks that are accessed. Can produce undesired side- effects in computers in which it inactive. Key words:- PC: personal computers, VIRUSE: vital resources information under siege, E-mail: electronic mailĪ computer virus is a special kind of computer program which Spreads across disks and networks by making copies of it, usually surreptitiously. In this paper presentation includes what is a virus, history of virus, how does a virus infectted computer, how can we detect a virus infected computer, how do we protect our computer against viruses, specific types of viruses and also what is an anti virus Department of computer science, Carmel college mala Thrissur,IndiaĪbstract: The purpose of this paper is to discuss various types of computer viruses, along with their characteristics, working, effects on the computer systems and to suggest measures for detecting the virus infection in a computer system and to elaborate means of prevention.The first PC viruswas a boot sector virus called (c) brain.
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