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Question 34Asked in DSSSB TGT Computer Science (Technical), 7 Aug 2021, Shift 2

Which logical gate is used to represent product of sum expression?

  1. AEX-OR gate
  2. BAND gate
  3. COR gate
  4. DNOR gate
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Correct answer: (D) NOR gate

Explanation

A POS expression is an AND of OR terms, which maps to a two-level NOR-NOR circuit. NOR is a universal gate, so POS is implemented with NOR gates.

From DSSSB TGT Computer Science PYQ (Technical), 7 Aug 2021, Shift 2

This is question 34 of DSSSB TGT Computer Science PYQ (Technical), 7 Aug 2021, 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.