Which Windows tool is explicitly used to remove temporary files, system caches, and empty the Recycle Bin to free up space on a drive volume? MCQ with Answer and Explanation

Question

Which Windows tool is explicitly used to remove temporary files, system caches, and empty the Recycle Bin to free up space on a drive volume?

A. Resource Monitor

B. Disk Cleanup

C. Device Manager

D. Disk Management

Answer: Option B

Solution (By JKSSB Mock Tests)

Disk Cleanup targets obsolete files, installer leftovers, system caches, and temp directories to reclaim storage space.

This question belongs to: Computer Operating Systems

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Which Linux command is used to display the kernel version?

A. lsb_release -a

B. kernel -v

C. uname -r

D. version

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Correct Answer: Option C

Explanation:
uname -r shows the kernel release version; uname -a gives all system info.

This question belongs to: Computer Operating Systems

Question #2

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Which of the following is a file system used primarily on optical discs?

A. HFS

B. NTFS

C. ISO 9660

D. ext4

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Correct Answer: Option C

Explanation:
ISO 9660 is the standard file system for CD-ROMs and DVDs; others are for hard drives.

This question belongs to: Computer Operating Systems

Question #3

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Which structural concept refers to a piece of code that must execute atomically and cannot be accessed by more than one process at any given moment?

A. Shared Page Room

B. Critical Section

C. System Hook

D. Deadlock Loop

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Correct Answer: Option B

Explanation:
The Critical Section is a structural segment of program code that accesses shared resources or variables and must not be concurrently executed by multiple processes.

This question belongs to: Computer Operating Systems

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