Which device is used to convert digital signals into analog signals for transmission over telephone lines? MCQ with Answer and Explanation

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Which device is used to convert digital signals into analog signals for transmission over telephone lines?

A. Repeater

B. Router

C. Modem

D. Switch

Answer: Option C

Solution (By JKSSB Mock Tests)

A modem modulates and demodulates signals, converting digital data into analog signals and vice versa.

This question belongs to: Geography GK Transport and Communication

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Correct Answer: Option B

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