Question

The status of the pending interrupts is checked at

(a) the end of main program

(b) the end of all the interrupts executed

(c) the beginning of every interrupt

(d) the end of each instruction cycle

I got this question during a job interview.

I would like to ask this question from Non Maskable Interrupt and Maskable Interrupt (INTR) in portion Special Architectural Features and Related Programming of Microprocessor

Answer 1

Correct option is (d) the end of each instruction cycle

For explanation: At the end of each instruction, the status of the pending interrupts is checked.