Which is the fastest mode of communication? MCQ with Answer and Explanation

Question

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Which is the fastest mode of communication?

A. Email/Internet

B. Postal mail

C. Courier

D. Telegraph

Answer: Option A

Solution (By JKSSB Mock Tests)

Internet-based communication such as email is the fastest mode of communication.

This question belongs to: Geography GK Transport and Communication

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Question #1

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Which communication technology is used by television broadcasters to transmit digital TV signals?

A. FTP

B. NFC

C. DVB

D. SMTP

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Correct Answer: Option C

Explanation:
Digital Video Broadcasting (DVB) standards are used for digital television transmission.

This question belongs to: Geography GK Transport and Communication

Question #2

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Which is the main use of radar in aviation?

A. Weather and aircraft tracking

B. Food supply

C. Ticket booking

D. Cargo loading

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Correct Answer: Option A

Explanation:
Radar helps in tracking aircraft and monitoring weather conditions for safe aviation.

This question belongs to: Geography GK Transport and Communication

Question #3

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Which city hosts the headquarters of Southern Railway?

A. Chennai

B. Kochi

C. Bengaluru

D. Hyderabad

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Correct Answer: Option A

Explanation:
Southern Railway is headquartered in Chennai, Tamil Nadu.

This question belongs to: Geography GK Transport and Communication

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