Informatics Practices
Assertion (A): A repeater is an electronic device that receives a signal and retransmits it.
Reasoning (R): Repeaters are used to extend transmissions so that the signal can cover longer distances.
- Both A and R are true and R is the correct explanation of A.
- Both A and R are true but R is not the correct explanation of A.
- A is true but R is false.
- A is false but R is true.
Computer Networks
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Answer
Both A and R are true and R is the correct explanation of A.
Explanation
A repeater is an electronic device that receives a signal, amplifies it, and retransmits it. Repeaters are used to extend transmissions so that the signal can cover longer distances and overcome signal degradation that occurs over long distances.
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