Which fundamental principle is used by an operating system to prevent user applications from directly overwriting or damaging crucial system code? MCQ with Answer and Explanation
Which fundamental principle is used by an operating system to prevent user applications from directly overwriting or damaging crucial system code?
A. Spooler Buffering
B. Disk Defragmentation
C. Dual-Mode Operation (User Mode vs. Kernel Mode)
D. Dynamic Link Libraries
Answer: Option C
Solution (By JKSSB Mock Tests)
Dual-mode operation provides hardware-level protection by separating execution into restricted User Mode (for user apps) and privileged Kernel Mode (for the OS kernel).
Which Windows component provides a comprehensive view of active processes, performance metrics, and network utilization, allowing users to terminate frozen apps?
Explanation:
Windows Task Manager provides real-time information about system performance, application memory footprints, and allows terminating running processes.
Explanation:
Sleep mode places the computer into a minimal power state, preserving all running applications and documents directly inside active RAM memory for near-instant resume times.
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