Which communication device is used for long-distance voice transmission? MCQ with Answer and Explanation

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Which communication device is used for long-distance voice transmission?

A. Fax machine

B. Radio

C. Telephone

D. Telegraph

Answer: Option C

Solution (By JKSSB Mock Tests)

Telephones enable real-time voice communication over long distances.

This question belongs to: Geography GK Transport and Communication

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Question #1

Which railway station is the headquarters of East Central Railway?

A. Muzaffarpur

B. Patna

C. Hajipur

D. Danapur

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Correct Answer: Option C

Explanation:
East Central Railway headquarters is located at Hajipur in Bihar.

This question belongs to: Geography GK Transport and Communication

Question #2

Which communication device forwards data packets between computer networks?

A. Printer

B. Scanner

C. Monitor

D. Router

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Correct Answer: Option D

Explanation:
A router directs data packets between different networks.

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Question #3

Which National Highway connects Chennai and Kolkata along the east coast?

A. NH-16

B. NH-44

C. NH-48

D. NH-27

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Correct Answer: Option A

Explanation:
NH-16 is part of the Golden Quadrilateral and connects Chennai with Kolkata.

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