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Question 20214
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Principles of Communication: Modulation MCQ

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ModulationEasyQuestion 20214

Question

Modulation is the process of:
  1. A
    Amplifying a signal
  2. B
    Superimposing a message signal on a carrier wave
    Correct
  3. C
    Filtering noise
  4. D
    Digitizing an analog signal

Correct answer

Superimposing a message signal on a carrier wave

Explanation

Modulation varies one or more properties (amplitude, frequency, phase) of a high-frequency carrier in accordance with the message signal, making transmission efficient.

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