What is the purpose of the Windows 'Disk Cleanup' tool? MCQ with Answer and Explanation

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What is the purpose of the Windows 'Disk Cleanup' tool?

A. To check disk errors

B. To remove temporary and unnecessary files to free up disk space

C. To format a disk

D. To defragment the hard drive

Answer: Option B

Solution (By JKSSB Mock Tests)

Disk Cleanup scans for files that can be safely deleted, such as temporary files, recycle bin, and system caches.

This question belongs to: Computer Operating Systems

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Practice More Operating Systems Questions

Question #1

In Windows, the 'Device Manager' can be accessed by running which command?

A. devmgmt

B. hdwwiz.cpl

C. devmgmt.msc

D. sysdm.cpl

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Correct Answer: Option C

Explanation:
devmgmt.msc opens Device Manager; hdwwiz.cpl also opens the Add Hardware wizard.

This question belongs to: Computer Operating Systems

Question #2

What is the purpose of the Android 'WallpaperManager'?

A. To set and manage the device's wallpaper

B. To change the theme

C. To control live wallpapers

D. To manage screen brightness

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Correct Answer: Option A

Explanation:
WallpaperManager provides methods to set the home screen or lock screen wallpaper from resources or bitmap.

This question belongs to: Computer Operating Systems

Question #3

Which of the following is a type of memory management that uses variable-sized partitions?

A. Fixed partitioning

B. Segmentation

C. Buddy system

D. Paging

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Correct Answer: Option B

Explanation:
Segmentation allows variable-size memory segments based on logical units; paging uses fixed-size pages.

This question belongs to: Computer Operating Systems

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