Question

Add #45, when this instruction is executed the following happen/s _______

(a) The processor raises an error and requests for one more operand

(b) The value stored in memory location 45 is retrieved and one more operand is requested

(c) The value 45 gets added to the value on the stack and is pushed onto the stack

(d) None of the mentioned

The question was asked in homework.

Origin of the question is Addressing Modes in chapter Machine Instructions and Programs of Computer Architecture

Answer 1

Correct choice is (b) The value stored in memory location 45 is retrieved and one more operand is requested

To explain I would say: None.