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CBSE Class 9 Computer Applications Question 25 of 29

Cyber Safety — Question 4

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Question

Question 4

What is a computer virus ?

  1. a program written to cause harm to a computer
  2. a hardware fault which causes data to be damaged
  3. a fault with the CPU which means that data is lost or damaged
  4. Weather affecting the performance of your computer
Answer

a program written to cause harm to a computer

Reason — Computer viruses are malicious codes/programs that cause damage to data and files on a system.