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  • Question
  • What kind of logic device or circuit is used to store information?


  • Options
  • A. Counter
  • B. Register
  • C. Inverter
  • D. Buffer

  • Correct Answer
  • Register 


  • Digital Concepts problems


    Search Results


    • 1. Serial format means digital signals are:

    • Options
    • A. sent over many conductors simultaneously.
    • B. sent over one conductor sequentially.
    • C. sent in groups of eight signals.
    • D. sent in binary coded decimal.
    • Discuss
    • 2. The output of an OR gate is LOW when ________.

    • Options
    • A. all inputs are LOW
    • B. any input is LOW
    • C. any input is HIGH
    • D. all inputs are HIGH
    • Discuss
    • 3. In a certain digital waveform, the period is four times the pulse width. The duty cycle is ________.

    • Options
    • A. 0%
    • B. 25%
    • C. 50%
    • D. 100%
    • Discuss
    • 4. Convert the fractional binary number 10010.0100 to decimal.

    • Options
    • A. 24.50
    • B. 18.25
    • C. 18.40
    • D. 16.25
    • Discuss
    • 5. How many binary bits are necessary to represent 748 different numbers?

    • Options
    • A. 9
    • B. 7
    • C. 10
    • D. 8
    • Discuss
    • 6. The generic array logic (GAL) device is ________.

    • Options
    • A. one-time programmable
    • B. reprogrammable
    • C. a CMOS device
    • D. reprogrammable and a CMOS device
    • Discuss
    • 7. A multiplexer has ________.

    • Options
    • A. one input and several outputs
    • B. one input and one output
    • C. several inputs and several outputs
    • D. several inputs and one output
    • Discuss
    • 8. Parallel format means that:

    • Options
    • A. each digital signal has its own conductor.
    • B. several digital signals are sent on each conductor.
    • C. both binary and hexadecimal can be used.
    • D. no clock is needed.
    • Discuss
    • 9. Which format requires fewer conductors?

    • Options
    • A. Parallel
    • B. Serial
    • C. Both are the same
    • D. Cannot tell
    • Discuss
    • 10. What is one relative disadvantage of serial transfer?

    • Options
    • A. It requires too many conductors.
    • B. Its interconnect system is complex.
    • C. It is slow.
    • D. It can only be used over very short distances.
    • Discuss


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