JKSSB Mock Tests

In virtual memory management, what specifically triggers a 'Page Fault' interrupt?

A. A program attempts to access a virtual memory address that is currently mapped to a physical disk rather than RAM
B. Two programs attempt to write to the exact same RAM address simultaneously
C. The CPU cache exceeds safe thermal limits
D. An application requests more memory than physically installed
Answer: Option A
Solution (By JKSSB Mock Tests Team)
A page fault is not an error; it's a signal to the OS that it needs to fetch the requested memory page from the swap file on the disk and load it into RAM.
This Question Belongs to: Computer mcqs Computer set 1

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