Computer Science · Memory Management
In an operating system with virtual memory management, when does a page fault occur?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1When a user program attempts to access a page belonging restrictedly to another active program without permissions.
- 2When a program attempts to access a memory page that is not currently loaded into the main physical memory (RAM).✓
- 3When a program successfully accesses a page located directly within the cache memory.
- 4When an unrecoverable hardware error occurs in a specific sector of the hard drive.
Correct answer
When a program attempts to access a memory page that is not currently loaded into the main physical memory (RAM).
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