This document is a computer science assignment from Ahtesham Sir for 10th section B students. It discusses what a computer virus is, noting that it is designed to persistently replicate and infect files to alter the way a computer operates or stop it working altogether. It provides an example of the Conficker virus infecting over 10 million computers in 2009. The document was created by Salman Ahmad for his class assignment on viruses and anti-viruses.

1. Computer Science Assignment Class 10th Section B Assignment
No.2 Given By Ahtesham Sir Computer Science Assignment
Class 10th Section B Assignment No.2 Given By Ahtesham Sir
Computer Science Assignment Class 10th Section B Assignment
No.2 Given By Ahtesham Sir Computer Science Assignment
Class 10th Section B Assignment No.2 Given By Ahtesham Sir
Computer Science Assignment Class 10th Section B Assignment
No.2 Given By Ahtesham Sir Computer Science Assignment
Class 10th Section B Assignment No.2 Given By Ahtesham Sir
Computer Science Assignment
Computer Science Assignment Class 10th Section B Assignment
No.2 Given By Ahtesham Salman Ahmad Science Assignment
Name Sir Computer
Class 10th Section B Assignment No.2 Given By Ahtesham Sir
Computer Science Assignment No. 4 10th Section B Assignment
Roll Class
No.2 Given By Ahtesham ClassComputer Science Assignment
Sir 10th
Class 10th Section B Assignment No.2 Given By Ahtesham Sir
Section B
Computer Science Assignment Class 10th Section B Assignment
Assignment No. 2
No.2 Given By Ahtesham Sir Computer Science Assignment
Class 10th Section B Assignment No.2 Given By Ahtesham Sir
Computer Science Assignment Class 10th Section B Assignment
No.2 Given By Ahtesham Sir Computer Science Assignment
Class 10th Section B Assignment No.2 Given By Ahtesham Sir
Computer Science Assignment Class 10th Section B Assignment
No.2 Given By Ahtesham Sir Computer Science Assignment
Class 10th Section B Assignment No.2 Given By Ahtesham Sir
Computer Science Assignment Class 10th Section B Assignment
No.2 Given By Ahtesham Sir Computer Science Assignment
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2. Computer Science Assignment No.2
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What Is A Computer Virus?
Think of a biological virus – the kind that makes you sick.
It’s persistently nasty, keeps you from functioning normally and often
requires something powerful to get rid of it. A computer virus is very
similar.
Designed to relentlessly
replicate, computer viruses
infect your [Type a quote from the document or programs and
files, the summary of an interesting point.
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alter the way your computer operates or stop it from working
altogether.
It’s estimated that the Conficker virus infected more than 10 million
computers in 2009.
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Tens of thousands of computer viruses now operate over the Internet,
MADE BY SALMAN AHMAD (4) | WHAT IS VIRUS? AND
WHAT IS ANTIVIRUS? DATE OCTOBER 21 2012

3. Computer Science Assignment No.2
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and new computer viruses are discovered every day.
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MADE BY SALMAN AHMAD (4) | WHAT IS VIRUS? AND
WHAT IS ANTIVIRUS? DATE OCTOBER 21 2012