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Question 21

The Boolean expression : a' · b + a · b'

The Boolean expression : a' · b + a · b' Where a, b are Boolean operands, can equivalently represented by :
  1. ANAND
  2. BNOR
  3. CXOR
  4. DOR
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Correct answer: (C) XOR

Explanation

a'b + ab' is 1 only when a and b differ, which is exactly the definition of XOR (a ⊕ b).

From DSSSB TGT Computer Science Practice Set 1

This is question 21 of DSSSB TGT Computer Science Practice Set 1. 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.