What does the 'dpi' setting affect in a mouse? MCQ with Answer and Explanation

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What does the 'dpi' setting affect in a mouse?

A. Battery life

B. Sensitivity and cursor speed

C. Color of LED

D. Wireless range

Answer: Option B

Solution (By JKSSB Mock Tests)

Higher DPI means more sensitive mouse movement.

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Question #1

What is the full form of CPU in computer hardware?

A. Central Power Unit

B. Control Processing Unit

C. Central Processing Unit

D. Computer Personal Unit

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Correct Answer: Option C

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

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Question #2

What technology is used in most modern keyboards to detect key presses?

A. Membrane technology

B. Mechanical switches

C. Optical sensors

D. Capacitive sensing

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Correct Answer: Option A

Explanation:
Membrane keyboards are common in standard office setups due to affordability, though mechanical are also popular.

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Question #3

The term 'bus mastering' allows:

A. CPU control only

B. Devices to control the bus directly

C. Display control

D. Memory isolation

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Correct Answer: Option B

Explanation:
Improves efficiency.

This question belongs to: Computer Computer Hardware

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