In Android, the 'Dalvik Cache' is used for: MCQ with Answer and Explanation

Question
In Android, the 'Dalvik Cache' is used for:
A. Temporary internet files
B. Storing user preferences
C. Storing optimized bytecode for faster app execution
D. Caching downloaded files
Answer: Option C
Solution (By JKSSB Mock Tests)
Dalvik Cache stores the optimized Dalvik executable (.dex) files for apps to speed up loading; replaced by ART in newer Android.
This question belongs to: Computer Operating Systems
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Practice More Operating Systems Questions

Question #1
Which of the following is a key feature of the Windows 11 operating system?
A. Centered Start Menu and Taskbar
B. Cortana integration only
C. Windows Media Center
D. Live Tiles
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Correct Answer: Option A

Explanation:
Windows 11 introduced a centered Start menu and taskbar, rounded corners, and a new interface; Live Tiles were removed.
This question belongs to: Computer Operating Systems
Question #2
Which Linux command is used to display the disk usage of files and directories?
A. du
B. ls -l
C. df
D. stat
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Correct Answer: Option A

Explanation:
du (disk usage) estimates file space usage; df shows file system disk space usage.
This question belongs to: Computer Operating Systems
Question #3
Which of the following Android components replaced the older Dalvik Virtual Machine (DVM) to provide faster app execution via Ahead-Of-Time (AOT) compilation?
A. Zygote Process
B. Android Runtime (ART)
C. Java Virtual Machine (JVM)
D. Bionic Libc
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Correct Answer: Option B

Explanation:
ART (Android Runtime) replaced Dalvik starting from Android 5.0 (Lollipop), improving application performance through Ahead-Of-Time compilation.
This question belongs to: Computer Operating Systems
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