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C. Write ‘T’ for true and ‘F’ for false.
1. A program file infecting virus is also known as a ‘Boot Injector’. ................................
2. It is not safe to download music from any unknown source on Internet. ................................
3. Code Red Worm would spread itself with the message “Hacked By Japanese!” ................................
4. Installing an antivirus ensures the computer is safe from external threats. ................................
5. We should be sure of the authenticity of a desired program before installing
it on your computer. ................................
Section B (Subjective)
A. Short answer type questions:
1. What are worms?
2. Mention two symptoms that indicate your computer may be infected with a virus or malware.
3. Which malware disguises itself as a helpful software program?
4. Name any two popular antivirus software programs.
5. Define the term Maleware.
B. Long answer type questions:
1. Explain the working of firewall.
2. How does a boot sector virus spread?
3. How does a computer get infected with a virus?
4. What is a Computer Virus?
5. List four ways to eradicate virus from your computer system.
C. Competency-based/Application-based questions:
1. Nitin’s computer is showing some unexpected pop-ups. Also he is running out of
storage space. What could be the reason of such unusual behaviour?
2. Your friend clicked on a suspicious link in an email and now suspects that his computer might be
infected. What should he do next to secure his device?
#Problem Solving & Logical Reasoning
Higher Order Thinking Skills (HOTS) #Collaboration & Teamwork
1. Sajal turned on his computer and noticed strange behaviour, such as a slow startup and unusual error
messages. Help him understand what might be causing these issues, why the system failed to start
properly, and whether it could be a virus attack. If it is, identify the possible type of virus.
2. Ajit observes that his computer is running slower than usual and occasionally displays strange pop-up
ads. He is concerned that it might be due to potential malware. Guide him on the steps he should take
to protect his system.
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iPlus (Ver. 2.1)-VII

