Which of the following is a type of file system that supports journaling? MCQ with Answer and Explanation

Question
Which of the following is a type of file system that supports journaling?
A. All of the above
B. ext3
C. ext4
D. NTFS
Answer: Option A
Solution (By JKSSB Mock Tests)
ext3, ext4, and NTFS all support journaling, which logs changes to prevent corruption.
This question belongs to: Computer Operating Systems
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Practice More Operating Systems Questions

Question #1
In operating systems, what is the primary function of the 'Medium-Term Scheduler'?
A. To swap processes out of main memory to secondary storage (and vice versa) to control the degree of multiprogramming.
B. To control the initial BIOS POST test routines.
C. To handle real-time peripheral device drivers.
D. To assign processes directly to an available CPU core.
Discuss
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Correct Answer: Option A

Explanation:
The medium-term scheduler removes processes from main memory temporarily (swapping out) to reduce the degree of multiprogramming and manage memory constraints.
This question belongs to: Computer Operating Systems
Question #2
What is the purpose of the Android 'RecyclerView'?
A. To display a list of items
B. To provide a flexible view container
C. All of the above
D. To display large datasets efficiently with recycling of views
Discuss
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Correct Answer: Option C

Explanation:
RecyclerView is an advanced list view that recycles item views to improve performance and allows custom layouts.
This question belongs to: Computer Operating Systems
Question #3
What is the purpose of the Windows 'Safe Mode'?
A. To boot with minimal drivers and services for troubleshooting
B. To load the last known good configuration
C. To run the system with maximum performance
D. To enable network support for recovery
Discuss
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Correct Answer: Option A

Explanation:
Safe Mode loads only essential drivers and services, allowing users to diagnose and fix system issues caused by problematic software or drivers.
This question belongs to: Computer Operating Systems
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