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The return address of the Sub-routine is pointed to by _______(a) IR(b) PC(c) MAR(d) Special memory registersThe question was asked during an internship interview.This is a very interesting question from Subroutines and Nesting topic in chapter Machine Instructions and Programs of Computer Architecture

Answer»

Correct ANSWER is (b) PC

For EXPLANATION I would say: The return ADDRESS from the SUBROUTINE is pointed to by the PC.



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