Mini-LED backlighting improves: MCQ with Answer and Explanation

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Mini-LED backlighting improves:

A. Response time

B. Size

C. Local dimming and contrast in LCDs

D. Power negatively

Answer: Option C

Solution (By JKSSB Mock Tests)

Better than traditional LED.

This question belongs to: Computer Computer Hardware

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Question #1

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What is the standard voltage supplied by SMPS to motherboard?

A. Multiple voltages like 3.3V, 5V, 12V

B. 12V only

C. 1.5V

D. 220V AC

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Correct Answer: Option A

Explanation:
SMPS provides various DC voltages required by components.

This question belongs to: Computer Computer Hardware

Question #2

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What is the full form of CPU in computer hardware?

A. Control Processing Unit

B. Central Processing Unit

C. Central Power Unit

D. Computer Personal Unit

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Correct Answer: Option B

Explanation:
CPU stands for Central Processing Unit, which is the brain of the computer responsible for processing instructions.

This question belongs to: Computer Computer Hardware

Question #3

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Which is the fastest type of memory?

A. Hard Disk

B. Register in CPU

C. Main RAM

D. Cache

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Correct Answer: Option B

Explanation:
CPU registers are the fastest accessible memory.

This question belongs to: Computer Computer Hardware

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