Which of the following is a multitasking operating system? MCQ with Answer and Explanation

Question
Which of the following is a multitasking operating system?
A. Windows 10
B. FreeDOS
C. MS-DOS
D. CP/M
Answer: Option A
Solution (By JKSSB Mock Tests)
Windows 10 supports multitasking, allowing multiple applications to run concurrently; MS-DOS was single-tasking.
This question belongs to: Computer Operating Systems
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Practice More Operating Systems Questions

Question #1
Which of the following is an advantage of using a 64-bit OS over 32-bit?
A. Better security features like hardware DEP
B. More memory support and larger file sizes
C. Lower hardware requirements
D. Faster processing of 32-bit applications
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Correct Answer: Option B

Explanation:
64-bit OS supports more RAM and can handle larger file sizes; security features are not exclusive to 64-bit.
This question belongs to: Computer Operating Systems
Question #2
What is the primary function of the 'Spooler' service in modern desktop operating systems?
A. To optimize database queries.
B. To clean up invalid browser caches.
C. To intercept and hold document workloads intended for a slow peripheral printer, scheduling their sequential delivery.
D. To coordinate multi-processor network scaling.
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Correct Answer: Option C

Explanation:
The print spooler intercepts print jobs from applications, writes them to disk buffers, and streams them sequentially to the slower target printer hardware.
This question belongs to: Computer Operating Systems
Question #3
Which Windows utility allows a user to selectively enable or disable startup programs, manage system services, and alter boot parameters via a graphical panel?
A. System Configuration (msconfig)
B. Device Manager
C. Registry Editor
D. Disk Cleanup
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Correct Answer: Option A

Explanation:
The MSConfig (System Configuration) utility allows users to troubleshoot startup anomalies, manage boot choices, and isolate services.
This question belongs to: Computer Operating Systems
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