Exam-style question
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What is a primary advantage of multiplexing in communication systems?.
- A.Reduces bandwidth usage per channel
- B.Eliminates the need for synchronisation
- C.Allows simultaneous transmission of all channels
- D.Increases the number of required cables
Model answer
What a good answer should say
- Reduces bandwidth usage per channel
Explanation
Why this works
Evidence: multiplexing combines multiple signals onto a single transmission medium. Interpretation: by sharing the medium, each channel uses only a fraction of the total bandwidth.
Implication: this efficient use of bandwidth is a key benefit of multiplexing. Conclusion: the primary advantage is that it reduces bandwidth usage per channel.
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