Computer virus

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INTRODUCTION

A computer virus is a computer program that can spread across computers and networks by making copies of itself, usually without the user’s knowledge.

E-mails are the biggest source of viruses. Usually they come as attachments with emails.

Computer viruses are starting to affect mobile phones too.

8.STEPS TO SAFER COMPUTING


Don’t use documents in .doc and .xls format

Block files with double extensions at the gateway

Block unwanted file types at the email gateway

Change your computer’s boot up sequence

Subscribe to an email alert service

Make regular backups of all programs and data


Conclusion 
Conclusion Computer viruses are human invention and now they are spreading and growing day by day so there is only way to protect your PC and that is antivirus soft-wares but up to dated.