Page 44 - Viva ICSE Computer Studies 7 : E-book

4. When the scan process is
fi nished, the entire computer
scan is displayed.

Learn More

Kaspersky, McAfee and Quick Heal
Step 4 are some paid antivirus software.

Think and Discuss

How does an antivirus protect
our system?

Computer Etiquette

Schedule a complete antivirus scan of your computer at least once a month. Also, take regular backup of
your data.

Tech Terms

Infect: To aff ect or damage
VIRUS: Vital Information Resources Under Seize
Antivirus: The tool that is used to remove viruses from a computer

Quick Recall

• A computer virus is a computer software program that can copy itself, attach itself to other
applications or fi les, and infect a computer.
• Viruses become active when you start an infected application or start the computer from the
disk that contains virus.

• Once the virus is in the computer memory, it usually aff ects any application that you run.
• A virus cannot infect a computer hardware. It can only infect computer software.
• Viruses can spread through removable media, downloaded fi les and e-mail attachments.
• We should adopt some preventive measures to protect our computer from a virus attack.

 Taking a backup refers to the process of making one or more copies of important data to
fall back on, in the event of the loss of the original data.
 Antivirus program checks the fi les on your computer to detect viruses and also removes
them.

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