Exam-style question
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What is the effect of increasing noise levels on the performance of a communication system?.
- A.Improved signal strength
- B.Increased data transmission capacity
- C.Decreased signal-to-noise ratio
- D.Enhanced clarity of the signal
Model answer
What a good answer should say
- Decreased signal-to-noise ratio
Explanation
Why this works
As noise levels increase, the signal-to-noise ratio decreases, which negatively impacts the performance of the communication system. A lower ratio means that the signal is less distinguishable from the noise, leading to potential errors in data transmission.
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