What does the term 'spooling' refer to in operating systems? MCQ with Answer and Explanation

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What does the term 'spooling' refer to in operating systems?

A. Copying files between drives

B. Allocating memory dynamically

C. Saving the state of a process

D. Buffering data to be sent to a device (like a printer) to improve efficiency

Answer: Option D

Solution (By JKSSB Mock Tests)

Spooling (Simultaneous Peripheral Operation On-Line) uses a buffer to hold jobs for slow peripherals, allowing overlapping of I/O with processing.

This question belongs to: Computer Operating Systems

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Question #1

What does an 'Asymmetric Multiprocessing' configuration mean in server deployments?

A. All processor cores alternate execution every 5 minutes.

B. The system runs without an actual kernel module.

C. One primary processor coordinates the overall system state while subordinate cores accept assigned tasks.

D. Processors lack access to physical memory pools completely.

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Correct Answer: Option C

Explanation:
Asymmetric Multiprocessing divides roles unevenly, making one specific master CPU the administrative core while others act as execution engines.

This question belongs to: Computer Operating Systems

Question #2

Which of the following is a file system used primarily on optical discs?

A. ISO 9660

B. ext4

C. HFS

D. NTFS

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Correct Answer: Option A

Explanation:
ISO 9660 is the standard file system for CD-ROMs and DVDs; others are for hard drives.

This question belongs to: Computer Operating Systems

Question #3

In Windows, the 'Control Panel' can be opened by running:

A. control panel

B. cp

C. control

D. settings

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Correct Answer: Option C

Explanation:
Typing 'control' in the Run dialog opens the Control Panel; the Settings app is separate.

This question belongs to: Computer Operating Systems

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