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  • Question

  • What is the difference between mnemonic codes and machine codes?


  • Options
  • A. There is no difference.
  • B. Machine codes are in binary, mnemonic codes are in shorthand English.
  • C. Machine codes are in shorthand English, mnemonic codes are in binary.
  • D. Machine codes are in shorthand English, mnemonic codes are a high-level language.

  • Correct Answer
  • Machine codes are in binary, mnemonic codes are in shorthand English. 

    • More questions

    • 1. ASCII codes are used strictly for representing the letters in the alphabet.

    • Options
    • A. True
    • B. False
      • Discuss
    • 2. The precision rectifier circuit is designed to _________.

    • Options
    • A. rectify waveforms with very large voltage swings
    • B. rectify waveforms with very small voltage swings
    • C. rectify precision waveforms
    • D. amplify and rectify waveforms
      • Discuss
    • 3. The ___ oscillator takes advantage of the piezoelectric effect.

    • Options
    • A. crystal
    • B. Hartley
    • C. Colpitts
    • D. RC
      • Discuss
    • 4. When inductive and capacitive reactance are present in the same series circuit, the magnitude of the total reactance is equal to the sum of the magnitudes of the individual reactances.

    • Options
    • A. True
    • B. False
      • Discuss
    • 5. When the resistance is greater than the capacitive reactance in a series RC circuit, the phase angle is ___.

    • Options
    • A. 0°
    • B. between 0° and 45°
    • C. between 45° and 90°
    • D. 45°
      • Discuss
    • 6. The resonant frequency fo is 19 kHz.


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

      In the given circuit, R1 equals _____.


    • Options
    • A. 100 kΩ
    • B. 200 kΩ
    • C. 300 kΩ
    • D. More information is needed to find R1.
      • Discuss
    • 8. The ability of a material to maintain a magnetized state (without the presence of a magnetizing force) is called retentivity.

    • Options
    • A. True
    • B. False
      • Discuss
    • 9. 

      This circuit is a setup for


    • Options
    • A. an antilog amplifier
    • B. a constant-current source
    • C. an instrumentation amplifier
    • D. an isolation amplifier
      • Discuss
    • 10. 

      The voltage across the inductor is ______ in the given circuit.


    • Options
    • A. 6.5 V
    • B. 12.4 V
    • C. 14 V
    • D. 50 V
      • Discuss

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