What is the primary function of a modem? MCQ with Answer and Explanation

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What is the primary function of a modem?

A. Process data

B. Convert digital to analog signal

C. Display output

D. Store data

Answer: Option B

Solution (By JKSSB Mock Tests)

Modem modulates and demodulates signals.

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What is the main function of RAM?

A. Display

B. Permanent data storage

C. Temporary data storage

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Correct Answer: Option C

Explanation:
RAM stores data temporarily for quick access.

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What is 'Quantum Supremacy'?

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Correct Answer: Option D

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Which technology uses radio waves to identify objects?

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Correct Answer: Option D

Explanation:
RFID stands for Radio-Frequency Identification.

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