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Home Digital Electronics Combinational Logic Circuits See What Others Are Saying!
  • Question
  • A decoder can be used as a demultiplexer by ________.


  • Options
  • A. tying all enable pins LOW
  • B. tying all data-select lines LOW
  • C. tying all data-select lines HIGH
  • D. using the input lines for data selection and an enable line for data input

  • Correct Answer
  • using the input lines for data selection and an enable line for data input 


  • More questions

    • 1. In HDL, LITERALS is/are:

    • Options
    • A. digital systems.
    • B. scalars.
    • C. binary coded decimals.
    • D. a numbering system.
    • Discuss
    • 2. Convert the following decimal number to hexadecimal.
      74

    • Options
    • A. A416
    • B. B416
    • C. 4A16
    • D. 4B16
    • Discuss
    • 3. Most modern digital systems are based on semiconductor technology.

    • Options
    • A. True
    • B. False
    • Discuss
    • 4. The BCD equivalent of 73 is 01001001.

    • Options
    • A. True
    • B. False
    • Discuss
    • 5. The stepper motor HDL will ignore its counter inputs and pass control inputs directly to the output when set in mode ________.

    • Options
    • A. 1
    • B. 2
    • C. 3
    • D. 4
    • Discuss
    • 6. The CMOS uses bipolar transistors instead of MOSFET.

    • Options
    • A. True
    • B. False
    • Discuss
    • 7. In TTL the noise margin is between 0.8 V and 0.4 V.

    • Options
    • A. True
    • B. False
    • Discuss
    • 8. A very critical dimension in project management is the time your boss will give you to complete the HDL project.

    • Options
    • A. True
    • B. False
    • Discuss
    • 9. The Boolean sum of the four product terms is called the sum-of-products.

    • Options
    • A. True
    • B. False
    • Discuss
    • 10. How many flip-flops are required to construct a decade counter?

    • Options
    • A. 10
    • B. 8
    • C. 5
    • D. 4
    • Discuss


    Comments

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    Nadra
    Its very good


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