What is the primary advantage of using a microkernel architecture? MCQ with Answer and Explanation

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What is the primary advantage of using a microkernel architecture?

A. It uses less memory

B. It supports more hardware

C. It is faster than monolithic kernels

D. It is more modular and easy to maintain, as only essential services run in kernel mode

Answer: Option D

Solution (By JKSSB Mock Tests)

Microkernel minimizes kernel code, running most services in user space, improving reliability and modularity.

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What is the purpose of a 'Swap Partition' or 'Swap File' in operating systems like Linux and Windows?

A. To hold graphical system themes.

B. To speed up network data packet transfers.

C. To back up personal files in case of accidental file deletion.

D. To act as dedicated overflow storage on a hard disk when physical RAM memory capacity becomes completely full.

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Correct Answer: Option D

Explanation:
Swap space provides extended virtual memory capacity on secondary storage to prevent system crashes when physical RAM is exhausted.

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Question #2

Which Linux command is used to mount a file system at boot?

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Correct Answer: Option B

Explanation:
/etc/fstab defines mount points; mount -a mounts all entries in fstab; systemd can also handle mount units.

This question belongs to: Computer Operating Systems

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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?

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Correct Answer: Option A

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

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