A portable monitor is useful for: MCQ with Answer and Explanation

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A portable monitor is useful for:

A. Printing

B. Traveling professionals needing extra screen

C. Home desktops

D. Scanning

Answer: Option B

Solution (By JKSSB Mock Tests)

USB-C powered options.

This question belongs to: Computer Computer Hardware

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Question #1

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The L3 cache is usually:

A. Per core only

B. Shared among cores

C. Non-existent

D. External

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Correct Answer: Option B

Explanation:
Larger shared cache.

This question belongs to: Computer Computer Hardware

Question #2

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What is the purpose of CMOS in computers?

A. To process graphics

B. To store BIOS settings and system time

C. To connect USB devices

D. To provide power backup

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Correct Answer: Option B

Explanation:
CMOS battery-powered memory holds configuration.

This question belongs to: Computer Computer Hardware

Question #3

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Which type of monitor uses liquid crystals for display?

A. LCD Monitor

B. Plasma Monitor

C. LED Monitor

D. CRT Monitor

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Correct Answer: Option A

Explanation:
LCD (Liquid Crystal Display) monitors use liquid crystals.

This question belongs to: Computer Computer Hardware

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