Wireless charging pads for devices use: MCQ with Answer and Explanation

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Wireless charging pads for devices use:

A. USB cables

B. Infrared

C. Electromagnetic induction

D. Bluetooth

Answer: Option C

Solution (By JKSSB Mock Tests)

Qi standard for phones.

This question belongs to: Computer Computer Hardware

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Question #1

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Which is the fastest type of memory?

A. Register in CPU

B. Cache

C. Hard Disk

D. Main RAM

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Correct Answer: Option A

Explanation:
CPU registers are the fastest accessible memory.

This question belongs to: Computer Computer Hardware

Question #2

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What is the full form of CPU in computer hardware?

A. Central Power Unit

B. Computer Personal Unit

C. Control Processing Unit

D. Central Processing Unit

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Correct Answer: Option D

Explanation:
CPU stands for Central Processing Unit, which is the brain of the computer responsible for processing instructions.

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Question #3

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eMMC storage is commonly found in:

A. High-end desktops

B. Budget smartphones and tablets

C. Servers

D. Printers

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Correct Answer: Option B

Explanation:
Embedded MultiMediaCard.

This question belongs to: Computer Computer Hardware

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