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Home ‣ Electronics ‣ Analog and Digital Converters See What Others Are Saying!
  • Question

  • Inaccurate analog-to-digital conversion may be due to ____________.


  • Options
  • A. constant analog input voltage
  • B. linear ramp usage
  • C. intermittent counter inputs
  • D. faulty sample-and-hold circuitry

  • Correct Answer
  • faulty sample-and-hold circuitry 

    • More questions

    • 1. An asynchronous counter differs from a synchronous counter in the method of clocking.

    • Options
    • A. True
    • B. False
      • Discuss
    • 2. Thermocouple connections must be taken into account to ensure a high degree of accuracy.

    • Options
    • A. True
    • B. False
      • Discuss
    • 3. 

      Calculate the voltage dropped across R1 in the given circuit.


    • Options
    • A. 14 V
    • B. 26.8 V
    • C. 28 V
    • D. 0 V
      • Discuss
    • 4. The language understood by the microprocessor is called assembly language.

    • Options
    • A. True
    • B. False
      • Discuss
    • 5. The voltage across a capacitor in an RC integrator circuit cannot change exponentially; it can change only instantaneously.

    • Options
    • A. True
    • B. False
      • Discuss
    • 6. A semiconductor using the hall effect will detect magnetic fields.

    • Options
    • A. True
    • B. False
      • Discuss
    • 7. 

      In the given circuit, the voltage dropped across R3 equals ___.


    • Options
    • A. 1.5 V
    • B. 3 V
    • C. 6 V
    • D. More information is needed to find the voltage dropped across R3.
      • Discuss
    • 8. When a diode is destroyed it has infinite impedance. When damaged by heat it will probably:

    • Options
    • A. short
    • B. conduct more
    • C. conduct less
    • D. open
      • Discuss
    • 9. What is the value of a capacitor that can store two coulombs of charge when 500 volts is applied across its plates?

    • Options
    • A. 4 µF
    • B. 250 µF
    • C. 4,000 µF
    • D. 250 F
      • Discuss
    • 10. What is the result when a decimal 5238 is converted to base 16?

    • Options
    • A. 327.375
    • B. 12166
    • C. 1388
    • D. 1476
      • Discuss

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