The GATE Grind

GATE 2018 CS – Question 15

Computer Organization and Architecture · Instruction Set and Addressing Modes · 1 mark · Multiple choice

Consider the following processor design characteristics.

I. Register-to-register arithmetic operations only

II. Fixed-length instruction format

III. Hardwired control unit

Which of the characteristics above are used in the design of a RISC processor?

  1. I and II only
  2. II and III only
  3. I and III only
  4. I, II and III

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Correct answer: (D) I, II and III

Explanation

A RISC processor uses register-to-register arithmetic (load/store architecture), fixed-length instructions and a hardwired control unit.