In Windows, what does the 'gpupdate' command do? MCQ with Answer and Explanation

In Windows, what does the 'gpupdate' command do?
A. Updates device drivers
B. Updates Windows Update
C. Updates Group Policy settings
D. Updates user profiles
Answer: Option C
Solution (By JKSSB Mock Tests)
gpupdate forces a refresh of local and domain Group Policy settings without rebooting.

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Practice More Operating Systems Questions

Question #1
What does a 'Page Table Base Register (PTBR)' store in a hardware configuration?
A. The physical memory address pointing to the start of the active process's page table.
B. The layout coordinates of the desktop wallpaper.
C. The total count of connected external monitor screens.
D. The current CPU clock frequency.

Correct Answer: Option A


Explanation:
The PTBR is a dedicated processor register that holds the physical starting address of the active thread's page table map.

This question belongs to: Computer Operating Systems
Question #2
What technique is used by operating systems to handle input/output operations for slow devices like printers by temporarily storing data in an isolated disk queue?
A. Paging
B. Spooling
C. Threading
D. Caching

Correct Answer: Option B


Explanation:
Spooling manages high-volume document outputs by queuing files on secondary storage until the slower output device (like a printer) is ready to process them.

This question belongs to: Computer Operating Systems
Question #3
Which Linux command is used to copy files or directories?
A. scp
B. mv
C. rsync
D. cp

Correct Answer: Option D


Explanation:
cp copies files/directories; mv moves/renames; rsync is for synchronization; scp is secure copy over network.

This question belongs to: Computer Operating Systems