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A page fault occurs when

This question belongs to Computer Fundamentals Operating System
Operating System
?

A page fault occurs when

Answer & Solution
Correct Answer: Option D
An interrupt that occurs when a program requests data that is not currently in real memory. The interrupt triggers the operating system to fetch the data from a virtual memory and load it into RAM. An invalid page fault or page fault error occurs when the operating system cannot find the data in virtual memory.
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