A flatbed scanner's lid is important for: MCQ with Answer and Explanation

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A flatbed scanner's lid is important for:

A. Paper feed

B. Increasing speed

C. Color enhancement

D. Blocking ambient light during scan

Answer: Option D

Solution (By JKSSB Mock Tests)

Better image quality.

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Question #1

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The color accuracy Delta E value should be low for:

A. Gaming only

B. Basic use

C. Professional monitors

D. Office text

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Correct Answer: Option C

Explanation:
Minimal color difference.

This question belongs to: Computer Computer Hardware

Question #2

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RFID tags are read using:

A. Optical scanners

B. Radio frequency input devices

C. Magnetic readers

D. Thermal sensors

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Correct Answer: Option B

Explanation:
Contactless identification.

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Question #3

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Which component manages data flow between CPU and memory?

A. ALU

B. Registers

C. Control Unit

D. Chipset

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Correct Answer: Option D

Explanation:
Chipset on motherboard controls communications.

This question belongs to: Computer Computer Hardware

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