Consider an instruction of the type LW R1, 20(R2) which during execution reads a 32 bit word from memory and stores it in a 32 bit register R1. The effective address of the memory location is obtained by adding a constant 20 and contents of R2. Which of the following best reflects the addressing mode implemented by this instruction for operand in memory?
(A) Immediate addressing
(B) Register addressing
(C) Register Indirect addressing
(D) Indexed addressing


Answer: (D)

Explanation: Refer GATE CS 2011 | Question 21
Option (D) is correct.

Quiz of this Question