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

Question
What is the purpose of the Android 'TextView'?
A. To display text on the screen
B. To edit text
C. To handle text input
D. To format text
Answer: Option A
Solution (By JKSSB Mock Tests)
TextView is a UI component for displaying read-only text; EditText is for editable text.
This question belongs to: Computer Operating Systems
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Practice More Operating Systems Questions

Question #1
Which Android component is responsible for managing the lifecycle of an application process?
A. ProcessManager
B. PackageManager
C. WindowManager
D. ActivityManager
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Correct Answer: Option D

Explanation:
ActivityManager manages the overall application lifecycle, including starting and killing processes based on memory needs.
This question belongs to: Computer Operating Systems
Question #2
What is the primary role of the Android 'AudioManager'?
A. To manage Bluetooth audio
B. To record audio
C. To play audio files
D. To control audio volume, rings, and sound modes
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Correct Answer: Option D

Explanation:
AudioManager manages system audio settings like volume levels, ringer mode, and audio focus.
This question belongs to: Computer Operating Systems
Question #3
Which of the following is an advantage of using a 64-bit OS over 32-bit?
A. Faster processing of 32-bit applications
B. Lower hardware requirements
C. Better security features like hardware DEP
D. More memory support and larger file sizes
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Correct Answer: Option D

Explanation:
64-bit OS supports more RAM and can handle larger file sizes; security features are not exclusive to 64-bit.
This question belongs to: Computer Operating Systems
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