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When a program tries to access a page that is mapped in address space but not loaded in physical memory, then ____________

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When a program tries to access a page that is mapped in address space but not loaded in physical memory, then ____________

(a) segmentation fault occurs

(b) fatal error occurs

(c) page fault occurs

(d) no error occurs

The question was asked during an internship interview.

Question is from Virtual Memory in chapter The Linux System of Operating System

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The correct answer is (c) page fault occurs

For explanation: None.

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