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Question

What is a page fault?

a.

It is generated when a memory address has a valid page-table entry.

b.

It is generated when a memory address doesn't have a valid page-table entry.

c.

It is generated when a program is being accessed by another program.

d.

It is generated when a file is being accessed by a program.

Posted under Reverse Engineering

Answer: (b).It is generated when a memory address doesn't have a valid page-table entry. Explanation:A page fault is generated whenever a memory address is accessed that doesn’t have a valid page-table entry.

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