The instruction cycle in CPU includes: MCQ with Answer and Explanation

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The instruction cycle in CPU includes:

A. Fetch, decode, execute

B. Display only

C. Print only

D. Store only

Answer: Option A

Solution (By JKSSB Mock Tests)

Basic operation.

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Question #1

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

A. Optical sensors

B. Capacitive sensing

C. Mechanical switches

D. Membrane technology

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Correct Answer: Option D

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

This question belongs to: Computer Computer Hardware

Question #2

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

A. Print image

B. Illuminate document for sensor capture

C. Store data

D. Cool the device

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Correct Answer: Option B

Explanation:
CCD or CIS sensors need light.

This question belongs to: Computer Computer Hardware

Question #3

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A common maintenance for optical mice is:

A. Ink refill

B. Replacing ball

C. Paper loading

D. Cleaning the sensor

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Correct Answer: Option D

Explanation:
Dust affects performance.

This question belongs to: Computer Computer Hardware

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