What is the purpose of a code library? MCQ with Answer and Explanation

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What is the purpose of a code library?

A. To provide reusable code modules

B. To compile programs

C. To store user data

D. To manage hardware

Answer: Option A

Solution (By JKSSB Mock Tests)

Libraries contain pre-written code that programmers can reuse.

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Question #1

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Which software is used to manage and organize data in a structured format?

A. Database management system

B. Spreadsheet

C. Word processor

D. Graphics editor

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Correct Answer: Option A

Explanation:
DBMS like MySQL or Oracle is application software for structured data storage and retrieval.

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Question #2

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Which of the following is a utility software used for data recovery?

A. VLC

B. Chrome

C. WinRAR

D. Recuva

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Correct Answer: Option D

Explanation:
Recuva is a utility for recovering deleted or lost files.

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Question #3

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The fundamental core component of an operating system that remains loaded in RAM at all times, controlling memory management, process scheduling, and hardware access, is the:

A. Shell

B. Kernel

C. Utility Suite

D. Device Manager

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Correct Answer: Option B

Explanation:
The kernel is the central core module of any operating system, executing tasks with highest privileges and managing hardware and memory allocation directly.

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