Question

The PC gets incremented _____________

(a) After the instruction decoding

(b) After the IR instruction gets executed

(c) After the fetch cycle

(d) None of the mentioned

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

I need to ask this question from Single BUS Organisation in portion Memory System of Computer Architecture

Answer 1

Right choice is (c) After the fetch cycle

To elaborate: The PC always points to the next instruction to be executed.