Question

A special request originated from some device to the CPU to acquire some of its time is called ___________

(a) Disturbance

(b) Attenuation

(c) Interrupt

(d) Noise

This question was addressed to me in a job interview.

My question is taken from The Output Unit topic in section Basic Computer Organisation of Computer Fundamentals

Answer 1

The correct option is (c) Interrupt

To explain: An interrupt is a kind of request which takes control of the system bus for some time, then performs all the operations and gives back control to the CPU.  It is usually identified by some number and is handled by the interrupt controller.