Exam-style question
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Which statement best describes the principle of time‑division multiplexing?.
- A.Multiple signals are transmitted simultaneously over separate frequency bands.
- B.A single channel is divided into time slots, each assigned to a different signal.
- C.Signals are encoded into a single waveform using amplitude modulation.
- D.Each signal is transmitted on a separate physical cable.
Model answer
What a good answer should say
- The correct option is 'A single channel is divided into time slots, each assigned to a different signal.'
Explanation
Why this works
Rule: In time‑division multiplexing, a single channel is divided into successive time slots, each assigned to a different signal. Substitution: Signal A uses slot 1, Signal B uses slot 2, etc.
Working: The signals are transmitted one after another in their allocated slots, creating a composite signal that can be separated at the receiver. Answer: The correct option is 'A single channel is divided into time slots, each assigned to a different signal.' Units/conclusion: This demonstrates the principle of TDM.
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