OLED monitors are known for: MCQ with Answer and Explanation

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OLED monitors are known for:

A. Being very expensive only for servers

B. Excellent contrast and thin design

C. Low resolution

D. High power consumption

Answer: Option B

Solution (By JKSSB Mock Tests)

OLED provides better blacks and thinner panels.

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Question #1

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The actuator in HDD is responsible for:

A. Controlling power

B. Data processing

C. Moving the read/write heads

D. Spinning platters

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Correct Answer: Option C

Explanation:
Precise positioning.

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Question #2

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Which printer is impact-based and noisy?

A. Inkjet Printer

B. 3D Printer

C. Dot Matrix Printer

D. Laser Printer

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Correct Answer: Option C

Explanation:
Dot matrix printers use impact technology creating noise.

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Question #3

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What is the main use of a document feeder in scanners?

A. To change colors

B. To increase resolution

C. To print scanned documents

D. To feed multiple sheets automatically

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Correct Answer: Option D

Explanation:
Automatic Document Feeder (ADF) speeds up batch scanning.

This question belongs to: Computer Computer Hardware

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