Question

The return address from the interrupt-service routine is stored on the ___________

(a) System heap

(b) Processor register

(c) Processor stack

(d) Memory

The question was posed to me during an internship interview.

I'd like to ask this question from Interrupts in section Input/Output Organisation of Computer Architecture

Answer 1

Correct choice is (c) Processor stack

For explanation I would say: The Processor after servicing the interrupts as to load the address of the previous process and this address is stored in the stack.