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  • Question
  • Digital filtering is faster than analog filtering.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • False 


  • Digital Signal Processing problems


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    • 1. Digital signal processing must be at least half as fast as the incoming signal to be processed.

    • Options
    • A. True
    • B. False
    • Discuss
    • 2. The flash method of analog-to-digital conversion uses comparators that compare reference voltages with the analog input voltage.

    • Options
    • A. True
    • B. False
    • Discuss
    • 3. 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
    • 4. Each ________, starting at the simplest level, should be built in HDL.

    • Options
    • A. subsystem
    • B. block
    • C. circuit
    • D. function
    • Discuss
    • 5. 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
    • 6. The flash converter is the fastest analog-to-digital conversion method.

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

    • Options
    • A. True
    • B. False
    • Discuss
    • 8. 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
    • 9. Successive-approximation is perhaps the most widely used method of A/D conversion.

    • Options
    • A. True
    • B. False
    • Discuss
    • 10. Incorrect codes are a form of output error for a DAC.

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


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