Branch prediction accuracy affects: MCQ with Answer and Explanation

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Branch prediction accuracy affects:

A. Memory size

B. CPU pipeline efficiency

C. Printer speed

D. Display quality

Answer: Option B

Solution (By JKSSB Mock Tests)

Reduces stalls.

This question belongs to: Computer Computer Hardware

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Question #1

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Portable document scanners are useful for:

A. Photo editing

B. High volume office only

C. 3D printing

D. Mobile professionals needing quick digitization

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Correct Answer: Option D

Explanation:
Compact and battery powered options exist.

This question belongs to: Computer Computer Hardware

Question #2

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A barcode scanner uses:

A. Laser or camera to read codes

B. Ink detection

C. Magnetic fields

D. Thermal sensors

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Correct Answer: Option A

Explanation:
Optical recognition.

This question belongs to: Computer Computer Hardware

Question #3

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Which of the following is an input device primarily used for entering text and commands into a computer?

A. Speaker

B. Monitor

C. Printer

D. Keyboard

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Correct Answer: Option D

Explanation:
Keyboard is a primary input device used for typing text and commands. Monitors and printers are output devices, while speakers output audio.

This question belongs to: Computer Computer Hardware

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