Which of the following is false about interrupts?

2023

Which of the following is false about interrupts?

  1. A.

    Interrupts can be triggered by a hardware or by a software

  2. B.

    Hardware interrupts may be triggered by sending a signal to CPU through a system bus

  3. C.

    Software interrupts may be triggered by executing system calls

  4. D.

    Trap is a hardware generated interrupt

     

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Correct answer: D

The correct answer is Option 4 Traps are software-generated interrupts used for exceptions or system calls, not hardware-generated. Therefore, the statement classifying traps as hardware interrupts is false.

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