4K resolution is approximately: MCQ with Answer and Explanation

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4K resolution is approximately:

A. 1920x1080

B. 3840x2160

C. 2560x1440

D. 1280x720

Answer: Option B

Solution (By JKSSB Mock Tests)

4K UHD is 3840 × 2160 pixels.

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Question #1

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What is the function of a print server?

A. Input text

B. Display output

C. Manage printing tasks over network

D. Scan documents

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Correct Answer: Option C

Explanation:
Shared printing in offices.

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Question #2

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What is the main function of a network interface card (NIC)?

A. Print documents

B. Process graphics

C. Connect to network

D. Scan images

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Correct Answer: Option C

Explanation:
Wired or wireless connectivity.

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Question #3

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A hardware security module (HSM) is for:

A. Printing secure docs

B. Cryptographic key management

C. Scanning

D. Graphics

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Correct Answer: Option B

Explanation:
High security.

This question belongs to: Computer Computer Hardware

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