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Home ‣ Digital Electronics ‣ Digital Signal Processing Comments
  • Question

  • Which is a typical application of digital signal processing?


  • Options
  • A. Noise elimination
  • B. Music signal processing
  • C. Image processing
  • D. All of the above

  • Correct Answer
  • All of the above 

    • Digital Signal Processing problems

    Search Results

    • 1. Which is not an A/D conversion error?

    • Options
    • A. Differential nonlinearity
    • B. Missing code
    • C. Incorrect code
    • D. Offset
      • Discuss
    • 2. Which type of programming is typically used for digital signal processors?

    • Options
    • A. Assembly language
    • B. Machine language
    • C. C
    • D. None of the above
      • Discuss
    • 3. How are unwanted frequencies removed prior to digital conversion?

    • Options
    • A. Pre-filters
    • B. Digital signal processing
    • C. Sample-and-hold circuits
    • D. All of the above
      • Discuss
    • 4. In a 4-bit R/2R ladder digital-to-analog converter, because of negative feedback, the operational amplifier keeps the inverting (minus) input near ________.

    • Options
    • A. 5 volts
    • B. zero volts
    • C. a voltage determined by the binary weighted input
    • D. none of the above
      • Discuss
    • 5. If a DAC has a full-scale, or maximum, output of 12 V and accuracy of 0.1%, then the maximum error for any output voltage is ________.

    • Options
    • A. 12 V
    • B. 120 mV
    • C. 12 mV
    • D. 0 V
      • Discuss
    • 6. For a 4-bit DAC, the least significant bit (LSB) is ________.

    • Options
    • A. 6.25% of full scale
    • B. 0.625% of full scale
    • C. 12% of full scale
    • D. 1.2% of full scale
      • Discuss
    • 7. In a digital representation of voltages using an 8-bit binary code, how many values can be defined?

    • Options
    • A. 16
    • B. 64
    • C. 128
    • D. 256
      • Discuss
    • 8. A binary-weighted-input digital-to-analog converter has an input resistor of 100 kΩ. If the resistor is connected to a 5 V source, current through the resistor is ________.

    • Options
    • A. 50 mA
    • B. 50 µA
    • C. 5 mA
    • D. 500 µA
      • Discuss
    • 9. Which term applies to the maintaining of a given signal level until the next sampling?

    • Options
    • A. Holding
    • B. Aliasing
    • C. Shannon frequency sampling
    • D. "Stair-stepping"
      • Discuss
    • 10. What is the result of taking more samples during the quantization process?

    • Options
    • A. More errors in the analog-to-digital conversion
    • B. More bit requirements
    • C. More accurate signal representation
    • D. More bit requirements and more accurate signal representation
      • Discuss

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