What feature do ergonomic mice have? MCQ with Answer and Explanation

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What feature do ergonomic mice have?

A. No buttons

B. Small size

C. Wired only

D. Vertical design for natural grip

Answer: Option D

Solution (By JKSSB Mock Tests)

Reduces wrist strain.

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Question #1

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What does ' heterogeneous computing' involve?

A. Single processor

B. Memory only

C. CPU and GPU working together

D. Storage

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Correct Answer: Option C

Explanation:
Modern systems.

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Question #2

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Which memory is used to store BIOS instructions?

A. HDD

B. Cache

C. RAM

D. ROM

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Correct Answer: Option D

Explanation:
ROM contains firmware like BIOS which is non-volatile.

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Question #3

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What is the primary function of a scanner's light source?

A. Cool the device

B. Print image

C. Store data

D. Illuminate document for sensor capture

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Correct Answer: Option D

Explanation:
CCD or CIS sensors need light.

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