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  • Question
  • What do we call the manipulation of an analog signal in a digital domain?


  • Options
  • A. Analog-to-digital conversion
  • B. Digital-to-analog conversion
  • C. Digital signal processing
  • D. Signal filtering

  • Correct Answer
  • Digital-to-analog conversion 


  • Digital Signal Processing problems


    Search Results


    • 1. A 4-bit R/2R ladder digital-to-analog converter uses ________.

    • Options
    • A. one resistor value
    • B. two resistor values
    • C. three resistor values
    • D. four resistor values
    • Discuss
    • 2. The ADC0804 is an example of a ________.

    • Options
    • A. single-slope analog-to-digital converter
    • B. dual-slope analog-to-digital converter
    • C. digital-ramp analog-to-digital converter
    • D. successive-approximation analog-to-digital converter
    • Discuss
    • 3. Which type of ADC quantizes the analog signal into a stream of bits whose amount corresponds to the signal level?

    • Options
    • A. Successive approximation
    • B. Sigma-delta
    • C. Dual-slope
    • D. None of the above
    • Discuss
    • 4. Which A/D conversion method has a fixed conversion time?

    • Options
    • A. Single-slope analog-to-digital converter
    • B. Dual-slope analog-to-digital converter
    • C. Digital-ramp analog-to-digital converter
    • D. Successive-approximation analog-to-digital converter
    • Discuss
    • 5. 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
    • 6. The dual-slope analog-to-digital converter finds extensive use in ________.

    • Options
    • A. digital voltmeters
    • B. function generators
    • C. frequency counters
    • D. all of the above
    • Discuss
    • 7. In troubleshooting a DAC, we check its performance characteristics, such as ________.

    • Options
    • A. nonmonotonicity
    • B. differential nonlinearity
    • C. low and high gain
    • D. all of the above
    • Discuss
    • 8. How many buses are connected as part of the 8085A microprocessor?

    • Options
    • A. 2
    • B. 3
    • C. 5
    • D. 8
    • Discuss
    • 9. The ________ ensures that only one IC is active at a time to avoid a bus conflict caused by two ICs writing different data to the same bus.

    • Options
    • A. control bus
    • B. control instructions
    • C. address decoder
    • D. CPU
    • Discuss
    • 10. I/O mapped systems identify their input/output devices by giving them a(n) ________.

    • Options
    • A. 8-bit port number
    • B. 16-bit port number
    • C. 8-bit buffer number
    • D. 8-bit instruction
    • Discuss


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