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Digital Communication System MCQs

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Practice free Digital Communication System multiple-choice questions with instant answer feedback and step-by-step solutions. Click an option to check yourself, reveal the full explanation, and work through all 252 questions — no login required.

Question 37easy

In time-division-multiplexing, each multiplexed signal occupies

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Question 38easy

The signal propagation time between two ground stations in a synchronous satellite link is about millisecond.

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Question 39easy

Pulse modulation is used in

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Question 40easy

In pulse transmitter theratio of time on to time off is called

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Question 41easy

Quantization noise occurs in

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Question 42easy

Which of the following modulating system is inherently most noise-resistant?

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Question 43easy

Which of the following pulse modulating system is analog?

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Question 44easy

For transmission of normal speech signal, the PCM channel needs a bandwidth of

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Question 45easy

Which of the following system is digital?

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