GATE 2023 Computer Organization & Architecture Quiz 11

In Flynn’s classification of computers, the vectors and array classes of machines belong to?

A computer system supports one address and two address instructions and the word size is 20 bits. Main memory is 128 words. If there are 32 two address instructions than how many one address instructions are used?

For the expression:

X = (A+B) * (C+D)

The three-address instruction is given as:

ADD R1, A, B

ADD R2, C, D

MUL X, R1, R2

If the same has to be written in two address formats, how many registers will be used?

Number of correct statement regarding one address instruction-

S1: It has one field for opcode and another field for address

S2: It generally need one memory access.

S3: It is faster accessing location inside processor than memory.

A CPU word size is 32 bit; it supports three addresses, two addresses and one address instructions. Address field consists of only processing registers, and the processor is designed with 250 registers. The maximum number of three address instructions that the processor can permit is _____.

Which of the following is/are correct for one address instruction?