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. Single-user OS
B. Simple embedded OS
C. Batch OS
D. Modern general-purpose OS (Windows, Linux)
Answer: Option D
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

Question #1
Which tool or key combination is used in Windows to forcefully bring up the direct Windows Security screen options to lock, log off, or launch Task Manager?
A. Ctrl + Alt + Delete
B. Alt + F4
C. Ctrl + Shift + Esc
D. Windows Key + L
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Correct Answer: Option A

Explanation:
Pressing Ctrl + Alt + Delete triggers a low-level hardware interrupt that opens the secure Windows options overlay screen.
This question belongs to: Computer Operating Systems
Question #2
What is the term for the technique where a process is divided into smaller parts and executed in parallel on multiple processors?
A. Time-sharing
B. Parallel processing
C. Batch processing
D. Multithreading
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Correct Answer: Option B

Explanation:
Parallel processing uses multiple processors to simultaneously execute multiple parts of a program, improving performance.
This question belongs to: Computer Operating Systems
Question #3
What is the purpose of the Android 'FragmentManager'?
A. To manage activities
B. To handle fragment transactions
C. To manage fragments (UI components) within an activity
D. Both A and C
Discuss
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Correct Answer: Option D

Explanation:
FragmentManager handles adding, removing, and replacing fragments, as well as managing back stack.
This question belongs to: Computer Operating Systems
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