What is the primary role of the 'Android Manifest' file inside an Android application bundle? MCQ with Answer and Explanation

Question
What is the primary role of the 'Android Manifest' file inside an Android application bundle?
A. To compile application Java code into DEX bytecode files.
B. To declare essential structural information about the app (components, required permissions, and hardware targets) to the OS.
C. To act as an internal local relational database.
D. To store the graphical application skin structures.
Answer: Option B
Solution (By JKSSB Mock Tests)
The AndroidManifest.xml file defines application components, target SDKs, structure mappings, and hardware/security permissions for the Android system.
This question belongs to: Computer Operating Systems
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Practice More Operating Systems Questions

Question #1
Which tool in Microsoft Windows is explicitly built to inspect historical system logs, error dumps, and software warnings?
A. Performance Monitor
B. Event Viewer
C. System Configuration (msconfig)
D. Task Scheduler
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Correct Answer: Option B

Explanation:
Windows Event Viewer is an administrative utility that logs application events, security events, and system error logs for debugging purposes.
This question belongs to: Computer Operating Systems
Question #2
Which Android feature uses a special partition format to store encrypted user credentials separately from application application resources?
A. Dalvik Cache Allocation
B. File-Based Encryption (FBE)
C. Zygote Isolation Layer
D. App Sandbox Permissions
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Correct Answer: Option B

Explanation:
Modern Android installations leverage File-Based Encryption (FBE) to isolate distinct files with individual keys, securing corporate or user credentials independently.
This question belongs to: Computer Operating Systems
Question #3
What is the purpose of the Android 'SharedPreferences'?
A. To store complex objects
B. To cache data temporarily
C. To store primitive data in key-value pairs persistently
D. To share data between apps
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Correct Answer: Option C

Explanation:
SharedPreferences is used for storing small amounts of simple data (booleans, strings, ints) for app settings.
This question belongs to: Computer Operating Systems
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