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Question 28Asked in DSSSB TGT Computer Science (Technical), 7 Aug 2021, Shift 3

How many full adders are required for n-bit binary adder?

  1. A2 × n
  2. Bn/2
  3. Cn
  4. Dn²
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Correct answer: (C) n

Explanation

An n-bit parallel (ripple-carry) adder chains n full adders, one per bit.

From DSSSB TGT Computer Science PYQ (Technical), 7 Aug 2021, Shift 3

This is question 28 of DSSSB TGT Computer Science PYQ (Technical), 7 Aug 2021, Shift 3. 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.