Digital Logic And Logic Families-a2

9 Questions | Total Attempts: 48

SettingsSettingsSettings
Please wait...
Digital Logic And Logic Families-a2

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. 
    1. Propagation delay
  • 2. 
    According to boolean law: A + 1 = ?
    • A. 

      1

    • B. 

      A

    • C. 

      0

    • D. 

      A'

  • 3. 
    VLSI refers to digital ICs having
    • A. 

      More than 1000 gates

    • B. 

      More than 100 gates

    • C. 

      More than 1000 but less than 9999

    • D. 

      More than 100 but less than 999

  • 4. 
    Whose operations are more faster among the following?
    • A. 

      Combinational circuits

    • B. 

      Sequential circuits

    • C. 

      Latches

    • D. 

      Flip-flops

  • 5. 
    Which is the major functioning responsibility of the multiplexing combinational circuit?
    • A. 

      Decoding the binary information

    • B. 

      Generation of all minterms in an output function with OR-gate

    • C. 

      Generation of selected path between multiple sources and a single destination

    • D. 

      All of the Mentioned

  • 6. 
    How many select lines are required for a 1-to-8 demultiplexer? a) 2 b) 3 c) 4 d) 5
    • A. 

      2

    • B. 

      3

    • C. 

      4

    • D. 

      5

  • 7. 
    The NOR gate output will be high if the two inputs are
    • A. 

      00

    • B. 

      10

    • C. 

      10

    • D. 

      11

  • 8. 
    A single transistor can be used to build which of the following digital logic gates?
    • A. 

      AND gates

    • B. 

      OR gates

    • C. 

      NOT gates

    • D. 

      NAND gates

  • 9. 
    Digital data refers to information that is
    • A. 

      Continuous

    • B. 

      Discrete

    • C. 

      Bits

    • D. 

      Bytes

Back to Top Back to top