What is the maximum memory addressable by a 32-bit Windows OS? MCQ with Answer and Explanation

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What is the maximum memory addressable by a 32-bit Windows OS?

A. 2 GB

B. 16 GB

C. 4 GB

D. 8 GB

Answer: Option C

Solution (By JKSSB Mock Tests)

A 32-bit OS can address 2^32 bytes = 4 GB of memory, though some is reserved for hardware.

This question belongs to: Computer Operating Systems

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Question #1

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What is the name of the specialized Linux command used to search for a specific text string or pattern within files?

A. cat

B. locate

C. find

D. grep

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Correct Answer: Option D

Explanation:
The 'grep' command (Global Regular Expression Print) searches through files for lines matching a specified text pattern and prints them.

This question belongs to: Computer Operating Systems

Question #2

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In Windows, which tool is used to manage hardware devices and their drivers?

A. Control Panel

B. Task Manager

C. Registry Editor

D. Device Manager

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Correct Answer: Option D

Explanation:
Device Manager allows users to view and manage hardware devices, update drivers, and troubleshoot device issues.

This question belongs to: Computer Operating Systems

Question #3

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Which of the following is a disadvantage of paging?

A. External fragmentation

B. Complex memory management

C. Slow allocation

D. Internal fragmentation

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Correct Answer: Option D

Explanation:
Paging causes internal fragmentation because the last page of a process may not be fully used; external fragmentation is eliminated.

This question belongs to: Computer Operating Systems

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