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Why sampling is used in communication?

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Why sampling is used in communication?

(a) for getting higher speed of communication

(b) for getting higher efficiency

(c) cheaper equipment is required

(d) for a better transmission

This question was posed to me during an internship interview.

My doubt stems from Disadvantages of Filter Method in section SSB Modulation of Analog Communications

1 Answer

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The correct option is (a) for getting higher speed of communication

Easy explanation: Sampling is the conversion of continuous-time signal to discrete-time signal. It samples a continuous time signal depending on a specific range and thus produces the discrete form of the signal. It is highly used in communication for getting higher speed of communication.

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