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  • Question

  • The flash method of analog-to-digital conversion uses comparators that compare reference voltages with the analog input voltage.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • True 

    • Digital Signal Processing problems

    Search Results

    • 1. In the frequency counter, the control clock is derived from the ________ by frequency dividers controlled in the control and timing block.

    • Options
    • A. BCD counters
    • B. system clock signal
    • C. display register
    • D. decoder/display
      • Discuss
    • 2. Each ________, starting at the simplest level, should be built in HDL.

    • Options
    • A. subsystem
    • B. block
    • C. circuit
    • D. function
      • Discuss
    • 3. In the digital clock project, the 1 pps signal is used as a synchronous clock for all of the counter stages, which are ________.

    • Options
    • A. advanced BCD counters
    • B. MOD-6 counters
    • C. synchronous cascaded
    • D. 1 pulse per second
      • Discuss
    • 4. One aspect of project planning and management is the selection of ________ that will best fit the application.

    • Options
    • A. hardware platform
    • B. software
    • C. personnel
    • D. time
      • Discuss
    • 5. In the digital clock design, the hours section is different from the seconds and minutes section in that it never goes to ________.

    • Options
    • A. the 0 state
    • B. 13
    • C. the ring counter
    • D. the BCD counter
      • Discuss
    • 6. Digital signal processing must be at least half as fast as the incoming signal to be processed.

    • Options
    • A. True
    • B. False
      • Discuss
    • 7. Digital filtering is faster than analog filtering.

    • Options
    • A. True
    • B. False
      • Discuss
    • 8. The flash converter is the fastest analog-to-digital conversion method.

    • Options
    • A. True
    • B. False
      • Discuss
    • 9. Offset is the characteristic of a DAC defined by the absence of any incorrect step reversals.

    • Options
    • A. True
    • B. False
      • Discuss
    • 10. In a binary-weighted-input digital-to-analog converter, the values of the input resistors are chosen to be proportional to the binary weights of the corresponding input bits.

    • Options
    • A. True
    • B. False
      • Discuss

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