Digital Logic Circuits (DLC) MCQs with answers Page - 11

Here, you will find a collection of MCQ questions on Digital Logic Circuits (DLC). Go through these questions to enhance your preparation for upcoming examinations and interviews.

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Q. UP-DOWN counter is also known as

  • (A) dual counter
  • (B) multi counter
  • (C) multimode counter
  • (D) two counter

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Q. In an UP-counter, each flip-flop is triggered by

  • (A) the output of the next flip-flop
  • (B) the normal output of the preceding flip-flop
  • (C) the clock pulse of the previous flip-flop
  • (D) the inverted output of the preceding flip-flop

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Q. In DOWN-counter, each flip-flop is triggered by

  • (A) the output of the next flip-flop
  • (B) the normal output of the preceding flip-flop
  • (C) the clock pulse of the previous flip-flop
  • (D) the inverted output of the preceding flip-flop

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Q. Binary counter that count incrementally and decrement is called

  • (A) up-down counter
  • (B) lsi counters
  • (C) down counter
  • (D) up counter

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Q. Once an up-/down-counter begins its count sequence, it

  • (A) starts counting
  • (B) can be reversed
  • (C) can’t be reversed
  • (D) can be altered

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Q. In 4-bit up-down counter, how many flip-flops are required?

  • (A) 2
  • (B) 3
  • (C) 4
  • (D) 5

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Q. A modulus-10 counter must have _

  • (A) 10 flip-flops
  • (B) 4 flip-flops
  • (C) 2 flip-flops
  • (D) synchronous clocking

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Q. Which is not an example of a truncated modulus?

  • (A) 8
  • (B) 9
  • (C) 11
  • (D) 15

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Q. The designation means that the

  • (A) up count is active-high, the down count is active-low
  • (B) up count is active-low, the down count is active-high
  • (C) up and down counts are both active-low
  • (D) up and down counts are both active-high

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Q. The full form of SIPO is

  • (A) serial-in parallel-out
  • (B) parallel-in serial-out
  • (C) serial-in serial-out
  • (D) serial-in peripheral-out

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