Which Android subsystem handles layout asset rendering and combines diverse display surfaces onto the final hardware screen output? MCQ with Answer and Explanation

Question
Which Android subsystem handles layout asset rendering and combines diverse display surfaces onto the final hardware screen output?
A. SurfaceFlinger Engine
B. Package Manager
C. Activity Coordinator
D. Zygote Prototype
Answer: Option A
Solution (By JKSSB Mock Tests)
SurfaceFlinger functions as the system graphics compositor, merging various application display buffers into a single image to be rendered.
This question belongs to: Computer Operating Systems
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Practice More Operating Systems Questions

Question #1
Which Linux command is used to display the system's current runlevel?
A. All of the above
B. who -r
C. runlevel
D. systemctl get-default
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Correct Answer: Option A

Explanation:
runlevel and who -r show the current and previous runlevel; systemctl get-default shows default target.
This question belongs to: Computer Operating Systems
Question #2
What is the main role of the Android 'MediaPlayer' class?
A. To record audio
B. To play audio and video files
C. To edit media files
D. To manage media storage
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Correct Answer: Option B

Explanation:
MediaPlayer is used for playback of audio/video from files, streams, or resources.
This question belongs to: Computer Operating Systems
Question #3
Which Linux terminal command displays information about the user account that is currently logged into the terminal session?
A. pwd
B. id -g
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Correct Answer: Option C

Explanation:
The 'whoami' command outputs the exact username of the current user account operating the terminal shell session.
This question belongs to: Computer Operating Systems
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