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D. Give appropriate responses to the questions.

1. What is a computer virus? Name its types.
2. What do you mean by 'Trojan horse'?

3. Explain the term ‘spyware’.
4. What can a computer virus do to your computer?

5. What is antivirus software? Give some examples of antivirus software.

Analyt ical Skills

Art Integration

Draw and colour the picture of logo of any one antivirus software in the space given
below.

Competency Based Questions
1. Neha’s computer is infected by a computer virus. Her teacher suggested that she should
install a special type of software to detect the virus and remove it.

a. What is the name given to that special software?
b. Give two examples of such software.

c. Mention two points that should be followed to keep that special program effective.
2. Nidhi’s computer is not working properly. The executable files and programs with
extensions like .com, .exe, .ovl, .drv, on her PC have got infected. What type of virus has
entered her computer?

Stretch Your Mind #Problem Solving
Make a PowerPoint presentation on computer viruses and their types.

Join the Discussion #Communication

Discuss the different types of computer viruses in class in detail.

Mental Processing #Life Skills and Values

Your friend forgot to remove his/her pen drive from your PC after finishing his/her work. What
will you do with the pen drive? Justify your answer.

Teacher’s Corner

• A demonstration of how to scan a computer using antivirus software should be arranged in the
class.
• The importance of using antivirus software should be explained to the students.

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