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Modulation and Demodulation MCQ Test

  1. What is modulation?
  2. Modulation is done in ____.
  3. What do you mean by demodulation?
  4. The process of Modulation is done by the _____.
  5. A ______ is an electronic circuit (or computer program in a software-defined radio) that is used to recover the information content from the modulated carrier wave.
  6. Which of the following is used for Modulation and Demodulation?
  7. Superhertodyne principle refers to:
  8. What do you know about Modem?
  9. Overmodulation (amplitude) occurs when signal amplitude is ____ carrier amplitude.
  10. In India, _____ modulation is used for radio transmission.
  11. In a radio receiver, noise is generally developed at ____.
  12. In TV transmission, sound signal is ____ modulated.
  13. A high Q tuned circuit will permit an amplifier to have high ____.
  14. The major advantage of FM (Frequency modulation) over AM (Amplitude modulation) is ____.
Last Updated: Apr 17, 2021,
Posted in Interview Questions,
20 Questions
Modulation and Demodulation MCQ

Take Modulation and Demodulation MCQ Test & Online Quiz to test your Knowledge

Below is the Modulation and Demodulation MCQ test that checks your basic knowledge of Modulation and Demodulation. This Modulation and Demodulation MCQ Test contains 20 Multiple Choice Questions. You have to select the right answer to the question. Finally, you can also take the Online Quiz from the Take Modulation and Demodulation Quiz Button.

  • Modulation is the process of transmitting data information in coded form, over a carrier.
  • Modulation is the process of extracting data information in decoded form, over a carrier.
  • Both A and B
  • All of the above
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  • Transmitter
  • Radio receiver
  • Between transmitter and radio receiver
  • None of the above
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  • Demodulation is the process of transmitting data information in the decoded form, over a carrier.
  • Demodulation is the process of extracting data information in the decoded form, over a carrier.
  • Both A and B
  • None of the above
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  • Modulator
  • Demodulator
  • Translator
  • All of the above
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  • Using a large number of amplifier stages
  • Using a push-pull circuit
  • Obtaining lower fixed intermediate frequency
  • None of the above
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  • The Modem is an electronic device that is used for data transposition between two ends.
  • TV
  • Phoneline
  • The Modem is used for displaying data.
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  • Frequency
  • Amplitude
  • Phase
  • All of the above
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  • IF stage
  • Receiving antenna
  • Audio stage
  • RF stage
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  • Amplitude
  • Frequency
  • Phase
  • None of the above
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  • Fidelity
  • Selectivity
  • Sensitivity
  • Frequency range
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  • Reception is less noisy
  • Higher carrier frequency
  • Smaller bandwidth
  • Small frequency deviation
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  • Audio voltage control
  • Abrupt voltage control
  • Automatic volume control
  • Automatic voltage control
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  • Phase modulation
  • Amplitude modulation
  • Frequency modulation
  • All of the above
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  • Lower sideband
  • Upper sideband
  • Carrier
  • None of the above
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  • before the first RF stage
  • after the first RF stage
  • after several stages of amplification
  • None of the above
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  • is increased
  • remains the same
  • is decreased D.
  • None of the above
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