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Home ‣ Digital Electronics ‣ Digital Signal Processing Comments
  • Question

  • Digital signal processors must be programmed to perform specific tasks.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • True 

    • Digital Signal Processing problems

    Search Results

    • 1. Incorrect codes are a form of output error for a DAC.

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

    • Options
    • A. True
    • B. False
      • Discuss
    • 3. 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
    • 4. Offset is the characteristic of a DAC defined by the absence of any incorrect step reversals.

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

    • Options
    • A. True
    • B. False
      • Discuss
    • 6. The ADC0804 is an example of a successive-approximation ADC.

    • Options
    • A. True
    • B. False
      • Discuss
    • 7. The principal advantage of the three-wire handshake on the GPIB is that it ________.

    • Options
    • A. is faster than two-wire methods
    • B. allows fast and slow listeners on the same bus
    • C. can be used over very long distances
    • D. is compatible with the RS232C standard
      • Discuss
    • 8. An offset error in a DAC will show up as an incorrect analog output ________.

    • Options
    • A. only for higher value inputs
    • B. only for lower value inputs
    • C. only for certain (scattered) inputs
    • D. for all inputs
      • Discuss
    • 9. Assume that in a certain 4-bit weighted ladder DAC, the input representing the most significant bit is applied to a 20 kΩ resistor. What is the size of the resistor that represents the least significant bit?

    • Options
    • A. 2.5 kΩ
    • B. 5 kΩ
    • C. 80 kΩ
    • D. 160 kΩ
      • Discuss
    • 10. A standard logic device can be connected on a bus system as an open-collector logic device by connecting each output to a ________.

    • Options
    • A. discrete transistor
    • B. 10 kΩ series resistor
    • C. light-emitting diode
    • D. CMOS buffer
      • Discuss

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