CLASS 8 Protecting Your Computer chapter 2

CHAPTER 2

PROTECT YOUR COMPUTER

A. Tick the correct option

1. Which of the following is not an antivirus software?

a. Quick Heal
b. Netsky
c. Norton
d. Kaspersky

Answer: b. Netsky

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2. ______ are known as ethical hackers.

a. Black hat hackers
b. Grey hat hackers
c. White hat hackers
d. Red hat hackers

Answer: c. White hat hackers

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3. Which of the following is not considered as software piracy?

a. Selling copies of original CDs
b. Downloading pirated software from the Internet
c. Installing licensed software on the system
d. None of the options

Answer: c. Installing licensed software on the system

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4. Which virus looks like a genuine program but damages the computer?

a. Worm
b. Trojan horse
c. Boot virus
d. Multipartite virus

Answer: b. Trojan horse

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5. Which virus is stored as a presentation or document?

a. Macro virus
b. Boot virus
c. Program virus
d. Worm

Answer: a. Macro virus

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B. Fill in the blanks

1. ______ virus infects the executable files.

Answer: File virus

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2. Norton is an example of ______.

Answer: Antivirus software

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3. Maintaining a strong ______ is crucial for security.

Answer: Password

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4. ______ virus is spread through website links.

Answer: Worm

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5. ______ virus evades the antivirus programs.

Answer: Stealth virus

C. State True or False

1. A worm can spread on its own.
   Answer: True
2. Renting of software is not software piracy.
   Answer: False
3. A virus does not spread with e-mail attachments.
   Answer: False
4. White hat hackers find out the vulnerabilities in network security systems.
   Answer: True
5. File infector virus spreads through executable files.
   Answer: True

D. Answer the following questions

1. Define a computer virus.

A computer virus is a harmful program that enters a computer without permission and damages data or affects the normal working of the computer.

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2. What are the different types of viruses?

Different types of computer viruses are:

• Boot virus
• File virus
• Macro virus
• Worm
• Trojan horse

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3. What is hacking?

Hacking is the act of gaining unauthorized access to a computer or network system.

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4. Write two ways to prevent software piracy.

Two ways to prevent software piracy are:

1. Use only licensed software.
2. Do not copy or share software illegally.

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5. Name any two antivirus software.

Two antivirus software are:

• Norton
• Quick Heal