Question

Which of the following ensures the recognition of the interrupt?

(a) interrupt ready

(b) interrupt acknowledge

(c) interrupt terminal

(d) interrupt start

I had been asked this question by my college professor while I was bunking the class.

This intriguing question originated from The mechanism of Interrupts in division Interrupts and Exceptions of Embedded Systems

Answer 1

Correct option is (b) interrupt acknowledge

Best explanation: The interrupt level remains asserted until its interrupt acknowledgment cycle ensures the recognition of the interrupt.