Page 24 - Computer Class 05

C. Write True or False .
1. A virus might change the power rating of our computer and

could blast the system.
2. A virus might increase the speed of computer.

3. Computer viruses exist since mid 1980s.

4. There is only one antivirus to prevent our computer from viruses.

5. A file virus is the most common kind of virus.
Descriptive Type Questions

A. Answer the following questions.

1. Define the term virus. How can it harm a computer?
2. Mention some common types of viruses.

3. What is antivirus software?

4. Mention any three points to prevent the computer from virus.
B. Distinguish between the following terms.

1. Encrypted Virus and Trojan Horse

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2. Worms and Resident Virus
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Application Based Question

Your friend has purchased a new computer but he don’t want to install any antivirus in
his computer. Tell him why it is important to install an antivirus in an computer system.
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A. Visit the computer lab and create a PowerPoint presentation on ‘Different Types of
Computer Viruses’.

B. Collect logos of any five popular antivirus softwares and paste them in the
assignment file along with their descriptions. Also, write their names in your
scrapbook.

Computer-5 24 Computer-1