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Question 1Asked in UGC NET Computer Science, December 2014 (Paper II & III, Selected Questions)

The Excess-3 decimal code is self-complementing code because

The Excess-3 decimal code is self-complementing code because (1) The binary sum of a code and its 9's complement is equal to 9 (2) It is a weighted code (3) Complement can be generated by inverting each bit pattern (4) The binary sum of a code and its 10's complement is equal to 9
  1. A(1)
  2. B(2) and (3)
  3. C(1) and (3)
  4. DAll are correct.
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Correct answer: (C) (1) and (3)

Explanation

The Excess-3 decimal code is a self-complementing code because the binary sum of a code and its 9's complement is equal to 9 and the complement can be generated by inverting each bit pattern.

From UGC NET Computer Science PYQ, December 2014 (Paper II & III, Selected Questions)

This is question 1 of UGC NET Computer Science PYQ, December 2014 (Paper II & III, Selected Questions). 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.