Digital Logic And Logic Families-a3

10 Questions | Total Attempts: 47

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Digital Logic And Logic Families-a3 - Quiz

Digital logic and logic families: Digital signals, combinational and sequential logic circuits, clock signals, Boolean algebra and logic gates. Integrated circuits and logic families: Logic Levels, Noise Immunity, Fan Out, Propagation Delay, TTL logic family CMOS Logic family, comparison with TTL family Flip flops: Set Reset(SR),Trigger(T), clocked F/Fs; Registers, decoders and encoders, Multiplexer and Demultiplexer, applications 04


Questions and Answers
  • 1. 
    Explain: Power dissipation
  • 2. 
    A(A + B) = 
    • A. 

      AB

    • B. 

      1

    • C. 

      (1 + AB)

    • D. 

      A

  • 3. 
    TTL uses
    • A. 

      Multi emitter transistor

    • B. 

      Multi collector transistor

    • C. 

      Multi base transistor

    • D. 

      Multi emitter or multi collector transistor

  • 4. 
    How many types of sequential circuits are?
    • A. 

      2

    • B. 

      3

    • C. 

      4

    • D. 

      5

  • 5. 
    What is the function of an enable input on a multiplexer chip?
    • A. 

      To apply Vcc

    • B. 

      To connect ground

    • C. 

      To active the entire chip

    • D. 

      To active one half of the chip

  • 6. 
    In a multiplexer the output depends on its
    • A. 

      Data inputs

    • B. 

      Select inputs

    • C. 

      Select outputs

    • D. 

      None of the Mentioned

  • 7. 
    How many two-input AND and OR gates are required to realize Y = CD+EF+G?
    • A. 

      2, 2

    • B. 

      2, 3

    • C. 

      3, 3

    • D. 

      None of the Mentioned

  • 8. 
    Which of following are known as universal gates?
    • A. 

      NAND & NOR

    • B. 

      AND & OR

    • C. 

      XOR & OR

    • D. 

      None of the Mentioned

  • 9. 
    Completion of one full pattern is called a
    • A. 

      Period

    • B. 

      Cycle

    • C. 

      Frame

    • D. 

      Segment

  • 10. 
    Which of the following are Universal gates
    • A. 

      NOR and NAND

    • B. 

      NOT and NAND

    • C. 

      NOR and NOT

    • D. 

      NOR, NAND and NOT

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