Portable document scanners are useful for: MCQ with Answer and Explanation

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Portable document scanners are useful for:

A. High volume office only

B. Mobile professionals needing quick digitization

C. Photo editing

D. 3D printing

Answer: Option B

Solution (By JKSSB Mock Tests)

Compact and battery powered options exist.

This question belongs to: Computer Computer Hardware

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Practice More Computer Hardware Questions

Question #1

What is a key characteristic of SRAM?

A. Cheaper and slower

B. High capacity only

C. Faster but more expensive than DRAM

D. Non-volatile

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Correct Answer: Option C

Explanation:
Used in CPU cache.

This question belongs to: Computer Computer Hardware

Question #2

Which component manages data flow between CPU and memory?

A. Chipset

B. Registers

C. Control Unit

D. ALU

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Correct Answer: Option A

Explanation:
Chipset on motherboard controls communications.

This question belongs to: Computer Computer Hardware

Question #3

Which technology is used in some keyboards for silent operation?

A. All are loud

B. Scissor-switch or membrane

C. Mechanical clicky

D. Optical only

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Correct Answer: Option B

Explanation:
Suitable for offices.

This question belongs to: Computer Computer Hardware

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