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

Question
What is the purpose of the Android 'Permission System'?
A. To grant superuser rights
B. To allow apps to communicate
C. To manage file permissions
D. To protect user privacy by controlling app access to sensitive data
Answer: Option D
Solution (By JKSSB Mock Tests)
Android permissions restrict access to dangerous data and system features; users grant permissions at runtime.
This question belongs to: Computer Operating Systems
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Practice More Operating Systems Questions

Question #1
In Windows, which tool is used to manage hardware devices and their drivers?
A. Control Panel
B. Task Manager
C. Device Manager
D. Registry Editor
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Correct Answer: Option C

Explanation:
Device Manager allows users to view and manage hardware devices, update drivers, and troubleshoot device issues.
This question belongs to: Computer Operating Systems
Question #2
What is the purpose of the Windows 'Safe Mode with Networking'?
A. To start Windows with all drivers but no network
B. To boot into a command prompt only
C. To load the last known good configuration
D. To start Windows with minimal drivers plus network support for troubleshooting
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Correct Answer: Option D

Explanation:
Safe Mode with Networking adds network drivers so users can access the internet or network shares while troubleshooting.
This question belongs to: Computer Operating Systems
Question #3
In multitasking, what is the term for the switching of the CPU between processes?
A. Time slicing
B. Context switching
C. Interrupt handling
D. Process migration
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Correct Answer: Option B

Explanation:
Context switching involves saving the state of a process and loading another process's state, allowing multitasking.
This question belongs to: Computer Operating Systems
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