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Question 5Asked in DSSSB TGT Computer Science (Technical), 12 Sep 2025, Shift 3 (5:00 PM)

What is the minimum number of inputs required for a XOR gate to output 1?

  1. A4
  2. B3
  3. C2
  4. D1
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Correct answer: (C) 2

Explanation

An XOR gate needs at least two inputs, and it outputs 1 when the inputs differ (an odd number of inputs are 1). A one-input XOR gate does not exist.

From DSSSB TGT Computer Science PYQ (Technical), 12 Sep 2025, Shift 3 (5:00 PM)

This is question 5 of DSSSB TGT Computer Science PYQ (Technical), 12 Sep 2025, Shift 3 (5:00 PM). 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.