PCMCIA slots are used in: MCQ with Answer and Explanation

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PCMCIA slots are used in:

A. Printers

B. Older laptops for expansion cards

C. Monitors

D. Desktops only

Answer: Option B

Solution (By JKSSB Mock Tests)

For adding functionality like modems.

This question belongs to: Computer Computer Hardware

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

A. To change colors

B. To print scanned documents

C. To increase resolution

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

Question #2

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What causes image retention in OLED monitors?

A. High brightness only

B. Static images over long periods

C. Wrong cable

D. Low resolution

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Correct Answer: Option B

Explanation:
Pixel wear issue mitigated by features.

This question belongs to: Computer Computer Hardware

Question #3

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What connects expansion cards to motherboard?

A. Wireless signals

B. Cables only

C. Power supply

D. Slots like PCIe

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Correct Answer: Option D

Explanation:
Expansion slots allow upgrades.

This question belongs to: Computer Computer Hardware

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