Multiple choice

With respect to computer viruses, which one of the following statements is true?

  1. It is a kind of physical impurity, which when present in the CPU causes it to malfunction.

  2. It is a manufacturing defect in the motherboard.

  3. A computer virus is a program, which copies itself to infect a computer without the permission or the knowledge of the user.

  4. It is an accumulation of dust on the hard disk causing it to malfunction.

  5. This is a software which helps in increasing the speed of the computer.
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Statement (3) is correct about computer virus. 

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