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8. What is a computer virus? Give an example.
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B. Long answer type questions.
1. Explain any three types of networks.
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2. What are some key reasons for networking computers in today’s world? Mention any two.
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3. What is a network?
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4. Why do we need an antivirus?
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5. Write any three ways to protect your computer from virus.
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Cyber Security 115

