Which of the following is a type of operating system that supports multiple users, multitasking, and memory protection? MCQ with Answer and Explanation

Question
Which of the following is a type of operating system that supports multiple users, multitasking, and memory protection?
A. Modern general-purpose OS (Windows, Linux)
B. Batch OS
C. Single-user OS
D. Simple embedded OS
Answer: Option A
Solution (By JKSSB Mock Tests)
General-purpose OSes like Windows and Linux support multiple users, multitasking, and memory protection (virtual memory).
This question belongs to: Computer Operating Systems
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Practice More Operating Systems Questions

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What is the function of the Android 'AlarmManager'?
A. To set system alarms
B. To schedule wake-up events or actions at specific times
C. To manage notifications
D. To control power saving
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Correct Answer: Option B

Explanation:
AlarmManager allows scheduling tasks to run at precise times, even if the device is asleep, by waking it up.
This question belongs to: Computer Operating Systems
Question #2
In Linux, what is the root user's home directory?
A. /home/root
B. /usr/root
C. /var/root
D. /root
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Correct Answer: Option D

Explanation:
The root user's home directory is /root, separate from other users' home directories under /home.
This question belongs to: Computer Operating Systems
Question #3
Which Windows utility is used to view and terminate running processes and applications?
A. System Information
B. Control Panel
C. Task Manager
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Correct Answer: Option C

Explanation:
Task Manager provides a list of running processes, performance data, and allows users to end tasks or processes.
This question belongs to: Computer Operating Systems
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