What is ' chroma subsampling' in video output? MCQ with Answer and Explanation

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What is ' chroma subsampling' in video output?

A. Resolution scaling

B. Refresh adjustment

C. Compression of color information

D. Brightness control

Answer: Option C

Solution (By JKSSB Mock Tests)

Affects color accuracy in HDMI.

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Question #1

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Which keyboard layout is most commonly used in India?

A. DVORAK

B. QWERTY

C. Colemak

D. AZERTY

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Correct Answer: Option B

Explanation:
QWERTY is the standard keyboard layout.

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Question #2

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What is the function of a voltage regulator module (VRM)?

A. Store data

B. Regulate power to CPU

C. Display graphics

D. Cool the system

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Correct Answer: Option B

Explanation:
VRMs ensure stable voltage for processors.

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Question #3

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The primary storage for OS and applications should be:

A. Tape

B. Optical disc

C. Fast SSD

D. HDD only

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Correct Answer: Option C

Explanation:
Quick boot and loading.

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