What is the main purpose of an input device? MCQ with Answer and Explanation

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What is the main purpose of an input device?

A. To process data

B. To store data permanently

C. To enter data and instructions

D. To display output

Answer: Option C

Solution (By JKSSB Mock Tests)

Input devices are used to feed data and instructions into the computer.

This question belongs to: Computer Computer Fundamentals

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Question #1

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Which generation of computers introduced widespread multi-programming, time-sharing operating systems, and remote terminal connections?

A. Third Generation

B. First Generation

C. Fourth Generation

D. Second Generation

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Correct Answer: Option A

Explanation:
The third generation (IC era) allowed multiple programs to share CPU time through multi-programming and time-sharing operating systems.

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Question #2

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What is the purpose of a GPU?

A. Memory management

B. Graphics processing

C. General processing

D. Input processing

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Correct Answer: Option B

Explanation:
GPU (Graphics Processing Unit) handles rendering of images and video.

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Question #3

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What is the decimal equivalent of binary 1001?

A. 11

B. 8

C. 9

D. 10

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Correct Answer: Option C

Explanation:
1001 = 8+1 = 9.

This question belongs to: Computer Computer Fundamentals

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