What is the function of the memory manager in an OS? MCQ with Answer and Explanation

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What is the function of the memory manager in an OS?

A. Controls network traffic

B. Manages file storage

C. Handles input/output devices

D. Allocates and deallocates memory to processes

Answer: Option D

Solution (By JKSSB Mock Tests)

Memory management is a core OS function that allocates RAM to programs and prevents conflicts.

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Question #1

What is the role of the security manager in an OS?

A. Manages files

B. Enforces access control and authentication

C. Manages network

D. Manages memory

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Correct Answer: Option B

Explanation:
The security manager ensures only authorized users and processes access resources.

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Question #2

What type of application software is engineered to translate text from one human language to another using neural machine translation models?

A. Desktop Publishing Suite

B. Machine Translation Software

C. Database Management Core

D. Spreadsheet System Engine

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Correct Answer: Option B

Explanation:
Translation software uses algorithms and language models to translate text or speech across human languages.

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Question #3

Software that can be altered or redistributed under a license requiring all modified versions to also be open-source and free is called:

A. Copyleft / GNU General Public License Software

B. Firmware Package Code

C. Proprietary Software

D. Commercial Shareware Kits

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Correct Answer: Option A

Explanation:
Copyleft licenses (like the GPL) ensure that open-source software remains open source, requiring any derivatives or modifications to be distributed under the same open conditions.

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