Saturday 24 August 2013

What is Computer Virus?




What is Computer Virus?


A Computer Virus is a computer program which distributes copies of itself, even without permission or knowledge of the user. To distribute itself, a virus needs to be executed or interpreted. Viruses often hide themselves inside other programs to be executed

A computer virus reproduces by making, poss ibly evolved, copies of itself in the computer's memory, storage, or over a network. This is similar to the way a biological virus works.  
       


Computer viruses can spread very fast.There are many viruses operating in the general Internet today, and new ones are discovered every day.



Computer viruses are software programs that are deliberately designed to interfere with computer operation, record, corrupt, or delete data, or spread themselves to other computers and throughout the Internet.
Viruses often slow things down and cause other problems in the process.
by Microsoft …


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