what is a computer virus

Viruses

Computer Virus:Viruses are small software programs that are designed to spread from one computer another computer.Viruses are easily spread through files,messages,mails downloading from internet etc.when you are downloading something from internet there is big chance to spread viruses,They are hidden in files or greeting cards funny images audio and video songs.so when you working on internet be careful when you use internet.

Once a virus is get in your computer it automatically try to spread.when you use the virus affected
file it automatically execute.

How to know your computer is infected:
your computer run more slowly than noral,some times its hang when you are working.your windows crash.contineously your computer will restart.Some data are corrupted.You see unusual messages.

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