What is the main function of a boot loader? MCQ with Answer and Explanation

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What is the main function of a boot loader?

A. Manages user login

B. Loads the kernel into memory

C. Runs applications

D. Performs POST

Answer: Option B

Solution (By JKSSB Mock Tests)

The boot loader loads the operating system kernel from disk into RAM.

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Question #1

Which of the following is an example of a project management tool?

A. JIRA

B. Photoshop

C. VLC

D. Chrome

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Correct Answer: Option A

Explanation:
JIRA is a project management and issue tracking application.

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Question #2

What is the purpose of the PATH variable in an OS?

A. Stores user files

B. Manages memory

C. Controls network settings

D. Defines directories for executable files

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Correct Answer: Option D

Explanation:
PATH tells the shell where to find executable programs.

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Question #3

Which type of software license allows free use and distribution, but requires anyone sharing modified versions to publish their source code changes openly?

A. Closed-Source Freeware Framework

B. Copyleft / Open Source License (e.g., GNU GPL)

C. Proprietary License

D. Public Domain Status

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Correct Answer: Option B

Explanation:
Copyleft licenses (like the GNU GPL) protect the open status of software by requiring all modified versions to share their source code openly.

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