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Question 20213
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Principles of Communication: Signal Types MCQ

Solve this quality-checked JEE multiple-choice question, then review the correct answer and explanation.

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Signal TypesEasyQuestion 20213

Question

Which of the following is an example of an analog signal?
  1. A
    Morse code
  2. B
    Binary data
  3. C
    Audio from a microphone
    Correct
  4. D
    ASCII text

Correct answer

Audio from a microphone

Explanation

Microphone output is a continuously varying voltage proportional to sound pressure — a classic analog signal. Binary data, Morse code, and ASCII are discrete/digital representations.

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