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. Smartphone/Computer

B. Radio

C. Telegraph

D. Postal mail

Answer: Option A

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

A. Router

B. Repeater

C. Switch

D. Modem

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Correct Answer: Option D

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

This question belongs to: Geography GK Transport and Communication

Question #2

Which port is located in Andhra Pradesh and is one of the deepest ports in India?

A. Kandla Port

B. Mangalore Port

C. Chennai Port

D. Visakhapatnam Port

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Correct Answer: Option D

Explanation:
Visakhapatnam Port is one of the deepest and busiest ports on the east coast.

This question belongs to: Geography GK Transport and Communication

Question #3

Which type of communication transmits information using electromagnetic waves?

A. Electronic Communication

B. Courier Service

C. Postal Communication

D. Messenger Service

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Correct Answer: Option A

Explanation:
Electronic communication such as radio, television, and mobile communication uses electromagnetic waves.

This question belongs to: Geography GK Transport and Communication

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