Digital Logic Circuits (DLC) MCQs with answers Page - 32

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. The canonical sum of product form of the function y(A,B) = A + B is

  • (A) ab + bb + a’a
  • (B) ab + ab’ + a’b
  • (C) ba + ba’ + a’b’
  • (D) ab’ + a’b + a’b’

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Q. Which of the following flip-flop is used by the ring counter?

  • (A) d flip-flops
  • (B) sr flip-flops
  • (C) jk flip-flops
  • (D) t flip-flops

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Q. ‘shift_reg’ is used to initialize the

  • (A) lsb
  • (B) msb
  • (C) register type
  • (D) register bits

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Q. How many types of shift operators are there in VHDL?

  • (A) three
  • (B) four
  • (C) five
  • (D) six

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Q. How many types of the data type are there in the ring counter?

  • (A) one
  • (B) two
  • (C) three
  • (D) more than three

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Q. In counter universal clock is not used.

  • (A) synchronous counter
  • (B) asynchronous counter
  • (C) decade counter
  • (D) ring counter

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Q. Synchronous counter use global clock, unlike asynchronous counter.

  • (A) one
  • (B) two
  • (C) three
  • (D) zero

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Q. How many different states does a decade counter count?

  • (A) eight
  • (B) nine
  • (C) ten
  • (D) eleven

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Q. Output values of Moore type FSM are determined by its

  • (A) input values
  • (B) output values
  • (C) clock input
  • (D) current state

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Q. What happens if the input is high in FSM?

  • (A) change of state
  • (B) no transition in state
  • (C) remains in a single state
  • (D) invalid state

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