The brain of the computer is: MCQ with Answer and Explanation

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The brain of the computer is:

A. CPU

B. Keyboard

C. Hard Disk

D. Monitor

Answer: Option A

Solution (By JKSSB Mock Tests)

CPU processes all instructions.

This question belongs to: Computer Computer Hardware

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Question #1

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What does 'multi-touch' enable on input devices?

A. Gestures like pinch to zoom

B. Text input

C. Audio control

D. Single click only

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Correct Answer: Option A

Explanation:
Common in touchscreens.

This question belongs to: Computer Computer Hardware

Question #2

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What feature do many modern printers have for security?

A. Open access only

B. No security

C. Secure print with PIN

D. Fingerprint only

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Correct Answer: Option C

Explanation:
Prevents unauthorized printing.

This question belongs to: Computer Computer Hardware

Question #3

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The memory bandwidth is determined by:

A. Bus width and clock speed

B. Latency

C. Voltage

D. Capacity only

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Correct Answer: Option A

Explanation:
Data transfer rate.

This question belongs to: Computer Computer Hardware

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