Exam-style question
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Which of the following lists the main parts of a communication system?.
- A.transmitter, channel, receiver
- B.transmitter, receiver, antenna
- C.antenna, channel, receiver
- D.transmitter, channel, antenna
Model answer
What a good answer should say
- transmitter, channel, receiver
Explanation
Why this works
Formula/rule: A communication system consists of a transmitter, channel, and receiver. Substitution: Replace generic parts with specific ones.
Working: The system is built from a transmitter that sends signals, a channel that carries them, and a receiver that receives them. Answer: transmitter, channel, receiver.
Units/conclusion: These are the main parts of a communication system.
Common mistake
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