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Question 1Asked in Bihar STET Paper 2 Computer Science (Class 11-12), 12 Sep 2023, Shift 2 + 1 more paper

Consider two binary numbers A = 110001 and B = 001100. What is the result of (A AND B) OR (NOT A AND NOT B)?

  1. A000000
  2. B110001
  3. C001100
  4. D111101
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Correct answer: (A) 000000

Explanation

Note: the answer key gives (A), but the expression is XNOR. A AND B = 000000; NOT A AND NOT B = 001110 AND 110011 = 000010; OR gives 000010, which matches no option.

From Bihar STET Paper 2 Computer Science (Class 11-12) PYQ, 12 Sep 2023, Shift 2

This is question 1 of Bihar STET Paper 2 Computer Science (Class 11-12) PYQ, 12 Sep 2023, Shift 2. 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.

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