Exam-style question
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How does noise affect a communication system?.
- A.It increases the bandwidth of the system
- B.It reduces the clarity of the transmitted signal
- C.It enhances the signal strength
- D.It has no effect on the communication
Model answer
What a good answer should say
- It reduces the clarity of the transmitted signal
Explanation
Why this works
Noise introduces unwanted signals that interfere with the original signal, leading to a decrease in clarity and quality of the communication. This can result in errors and loss of information.
Common mistake
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