Exam-style question
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In time‑division multiplexing, what is the role of the time slots?.
- A.They allow signals to be transmitted at different frequencies.
- B.They provide a schedule for each signal to use the channel in turn.
- C.They increase the bandwidth of the channel.
- D.They reduce the power required for transmission.
Model answer
What a good answer should say
- The correct option is 'They provide a schedule for each signal to use the channel in turn.'
Explanation
Why this works
Rule: Time slots act as a schedule for signals. Substitution: Slot 1 → Signal A, Slot 2 → Signal B, etc.
Working: Each signal transmits during its assigned slot, ensuring no overlap. Answer: The correct option is 'They provide a schedule for each signal to use the channel in turn.' Units/conclusion: This explains the role of time slots in TDM.
Common mistake
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