Which communication device converts digital signals into analog signals and vice versa? MCQ with Answer and Explanation

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Which communication device converts digital signals into analog signals and vice versa?

A. Repeater

B. Router

C. Modem

D. Switch

Answer: Option C

Solution (By JKSSB Mock Tests)

A modem modulates and demodulates signals for data communication.

This question belongs to: Geography GK Transport and Communication

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The Sagarmala Programme is related to:

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Correct Answer: Option D

Explanation:
Sagarmala aims to promote port-led development through modernization of ports and coastal infrastructure.

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Metro rail is used for short-distance urban commuting.

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Which Indian city has the headquarters of India Post?

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Correct Answer: Option B

Explanation:
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