What is the benefit of 120Hz or higher refresh rate? MCQ with Answer and Explanation

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What is the benefit of 120Hz or higher refresh rate?

A. Higher resolution

B. Smoother motion in videos and games

C. Better color

D. Lower power use

Answer: Option B

Solution (By JKSSB Mock Tests)

Reduces motion blur.

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Question #1

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VA panels offer better:

A. Viewing angles than TN

B. Speed than all

C. Contrast ratios than IPS

D. Both a and b

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Correct Answer: Option D

Explanation:
Good middle ground for contrast.

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Question #2

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What is the use of a KVM switch?

A. Network switching

B. Keyboard Video Mouse switch for multiple computers

C. Memory expansion

D. Power backup

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Correct Answer: Option B

Explanation:
Allows sharing peripherals among computers.

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Question #3

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What is a common connector for external monitors on laptops?

A. HDMI or USB-C with DisplayPort

B. Serial

C. Parallel

D. PS/2

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Correct Answer: Option A

Explanation:
Modern video output.

This question belongs to: Computer Computer Hardware

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