What causes dead pixels in monitors? MCQ with Answer and Explanation

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What causes dead pixels in monitors?

A. High usage

B. Manufacturing defect in LCD pixels

C. Low brightness

D. Wrong cable

Answer: Option B

Solution (By JKSSB Mock Tests)

Non-functional sub-pixels.

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Question #1

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The contrast ratio in monitors indicates:

A. Resolution

B. Difference between brightest and darkest

C. Color count

D. Refresh rate

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Correct Answer: Option B

Explanation:
Higher is better for depth.

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Question #2

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The expansion slot used for graphics cards is typically:

A. AGP

B. PCI

C. ISA

D. PCIe

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Correct Answer: Option D

Explanation:
PCIe (PCI Express) is the modern standard for graphics cards.

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Question #3

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What does 'TBW' rating indicate for SSDs?

A. Thermal Bandwidth

B. Terabytes Written endurance

C. Temporary Backup Write

D. Total Bytes Width

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Correct Answer: Option B

Explanation:
Lifespan measure for flash memory.

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