What is the purpose of the Android 'StorageManager'? MCQ with Answer and Explanation

Question
What is the purpose of the Android 'StorageManager'?
A. To handle external storage
B. To format storage
C. To get storage statistics
D. To access storage volumes and manage storage operations
Answer: Option D
Solution (By JKSSB Mock Tests)
StorageManager provides APIs to query storage volumes, get total/free space, and mount/unmount storage.
This question belongs to: Computer Operating Systems
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Practice More Operating Systems Questions

Question #1
Which of the following is an example of an open-source operating system?
A. Microsoft Windows 11
B. Linux
C. MS-DOS
D. Apple macOS
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Correct Answer: Option B

Explanation:
Linux is developed under an open-source license, allowing anyone to view, modify, and redistribute its underlying source code freely.
This question belongs to: Computer Operating Systems
Question #2
Which Linux terminal command is used to display the lines of a file that match a specified keyword or regular expression?
A. cat
B. echo
C. find
D. grep
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Correct Answer: Option D

Explanation:
The 'grep' command stands for global regular expression print, designed to quickly filter out specific data strings from files or text feeds.
This question belongs to: Computer Operating Systems
Question #3
Which Linux command is used to check the disk space usage of the root file system?
A. df -h /
B. lsblk /
C. du -sh /
D. fdisk -l
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Correct Answer: Option A

Explanation:
df -h / shows used/available space on the root partition; du -sh / calculates total size of all files under /, which is heavy.
This question belongs to: Computer Operating Systems
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