What is the function of the 'defragmentation' utility in Windows? MCQ with Answer and Explanation

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What is the function of the 'defragmentation' utility in Windows?

A. To clean up unnecessary files

B. To reorganize files on a disk to improve access speed

C. To check disk errors

D. To compress files

Answer: Option B

Solution (By JKSSB Mock Tests)

Defragmentation consolidates fragmented files, reducing seek time and improving performance on HDDs; SSDs do not require it.

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Question #1

What is the function of the Windows 'chkdsk' command?

A. Checks the file system and disk for errors and repairs them

B. Converts FAT to NTFS

C. Defragments the hard disk

D. Cleans up temporary files

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Correct Answer: Option A

Explanation:
chkdsk (Check Disk) scans the file system and disk sectors for errors and attempts to fix them.

This question belongs to: Computer Operating Systems

Question #2

Which of the following is a feature of the Windows 'Fast Startup'?

A. Reduced power consumption

B. Full shutdown

C. Faster hibernation

D. Hybrid shutdown that saves system state to a file for quicker boot

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Correct Answer: Option D

Explanation:
Fast Startup combines a shutdown with hibernation, writing the kernel session to disk to speed up next boot.

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Question #3

In Android, what is the purpose of a 'Service' component?

A. To display a user interface

B. To broadcast messages

C. To store shared data

D. To perform long-running background operations without a user interface

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Correct Answer: Option D

Explanation:
Services run in the background to handle tasks like music playback or network operations, even when the app is not visible.

This question belongs to: Computer Operating Systems

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