Which communication device is used for video conferencing? MCQ with Answer and Explanation

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Which communication device is used for video conferencing?

A. Telegraph

B. Postal mail

C. Radio

D. Smartphone/Computer

Answer: Option D

Solution (By JKSSB Mock Tests)

Video conferencing is done using smartphones or computers with internet connectivity.

This question belongs to: Geography GK Transport and Communication

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Question #1

Which communication technology is primarily used for mobile phone networks?

A. Cellular technology

B. Satellite

C. Fiber optics

D. Microwave oven

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Correct Answer: Option A

Explanation:
Mobile phone networks operate using cellular technology through interconnected cell towers.

This question belongs to: Geography GK Transport and Communication

Question #2

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

A. Telephone

B. Fax machine

C. Telegraph

D. Radio

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Correct Answer: Option A

Explanation:
Telephones enable real-time voice communication over long distances.

This question belongs to: Geography GK Transport and Communication

Question #3

Which airport is India's busiest by passenger traffic?

A. Chhatrapati Shivaji Maharaj Airport

B. Chennai Airport

C. Indira Gandhi International Airport

D. Kempegowda Airport

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Correct Answer: Option C

Explanation:
Indira Gandhi International Airport, New Delhi, is India's busiest airport.

This question belongs to: Geography GK Transport and Communication

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