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Question 25Asked in DSSSB TGT Computer Science (Technical), 8 Aug 2021, Shift 2

Which counter is a shift register with its complement output of the last stage connected to the D-input of the first stage?

  1. ASynchronous
  2. BTwisted ring
  3. CUp
  4. DDown
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Correct answer: (B) Twisted ring

Explanation

A twisted ring counter, also called a Johnson counter, feeds the complement of the last flip-flop's output back to the D input of the first stage. An n-bit Johnson counter has 2n states.

From DSSSB TGT Computer Science PYQ (Technical), 8 Aug 2021, Shift 2

This is question 25 of DSSSB TGT Computer Science PYQ (Technical), 8 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.