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Question 10Asked in DSSSB PGT Computer Science (Technical), 11 Jul 2021

When n bits are used to represent an operation (op) code, then how many different operations a computer can perform?

  1. An operation
  2. B2 × n operation
  3. C2ⁿ operation
  4. D2/n operation
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Correct answer: (C) 2ⁿ operation

Explanation

n bits can form 2ⁿ distinct bit patterns, so an n-bit opcode can encode 2ⁿ different operations.

From DSSSB PGT Computer Science PYQ (Technical), 11 Jul 2021

This is question 10 of DSSSB PGT Computer Science PYQ (Technical), 11 Jul 2021. See all questions of this paper with answers, or attempt the paper as a timed online test to get your score and all-India rank.