Page 38 - Viva ICSE Computer Studies 7 : E-book

3 Computer Virus

Learning Outcomes Let’s Learn About

• Computer Virus • Anti virus
Students will be able to
• Types of Computer • Importance of Regular
• define a virus.
Viruses Updates
• list diff erent types of viruses. • Symptoms of a Virus • Using an Anti virus
• follow standard measures to prevent virus • Entry of Virus into a Soft ware
attack. Computer
• identify symptoms of virus attack on • Steps to Prevent a
a computer. Computer from Virus
• use a suitable antivirus software.

Activity Corner

1. Have you ever suff ered from cold or fever?
Yes No

2. ____________ are harmful and cause damage to anyone they attack.
(a) Viruses (b) Minerals (c) None of these

3. How can we prevent our body from the infections cause by the viruses?
____________________________________________________________________________________

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Viruses harm our bodies on attacking us. Similarly, there are computer viruses which on attacking the
computer aff ect its functioning and other components. We will learn about computer virus in this chapter.

Computer Virus

A computer virus is a computer program that attacks a computer. It is written by virus
programmers. Virus stands for Vital Information Resources Under Seize. A virus can copy itself,

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