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Thursday, December 17, 2009

Comparison of Computer and biological Viruses

Human Virus Effects

Attack specific body cells' Modify the genetic information of acell other than previous one. It performs tasks. New viruses grow in theinfected cell itself. An infected program may not exhibit symptoms for awhile. Not all cells with which the virus contact are infected. Viruses canmutate and thus cannot clearly be diagnosed. Infected cells aren't infected morethan once by the same cell.

Computer Virus Effects

Attack specific programs (*.com,*.exe) Manipulate the program: The infectedprogram produces virus programs. The infected program can work without error fora long time. Program can be made immune against certain viruses. Virus programcan modify themselves & possibly escape detection this way. Programs areinfected only once by most viruses.

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