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Question 14Asked in DSSSB PGT Computer Science (Technical), 11 Jul 2021

What is 6's complement of (1543)₇ of the computer?

  1. A(6132)₇
  2. B(5132)₇
  3. C(5123)₇
  4. D(5432)₇
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Correct answer: (C) (5123)₇

Explanation

For base 7, the 6's complement (diminished radix complement) is found by subtracting each digit from 6: 6666 − 1543 = (5123)₇.

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

This is question 14 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.