destuction to someone's computer system. They are instroction or code that have
been designed to reproduce as they attach themselves to other programs without the
user's knowlerdge. Viruses ban be programmed to do many things, including copying
themselves in other program. show information on the screen, destroy data file or
erase an entire hard disk.
Viruses are nuisance, but if you know how they work and take the necessary
precautions to deal with them, they are manageable.
Once the infection has been transferred, the viruses can spread like wildfire though
the entire library of files.
There are many types of viruses; some are more debilitationg others.
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