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  • Question
  • 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

  • Correct Answer
  • two resistor values 


  • Digital Signal Processing problems


    Search Results


    • 1. 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
    • 2. 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
    • 3. 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
    • 4. 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
    • 5. 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
    • 6. 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
    • Discuss
    • 7. 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
    • 8. 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
    • 9. How many buses are connected as part of the 8085A microprocessor?

    • Options
    • A. 2
    • B. 3
    • C. 5
    • D. 8
    • Discuss
    • 10. 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


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