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What is validity fault?

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asked Feb 22, 2014 by john Guru (27,140 points)

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If a process referring a page in the main memory whose valid bit is not set, it results in validity fault. The valid bit is not set for those pages:

that are outside the virtual address space of a process,that are the part of the virtual address space of the process but no physical address is assigned to it.
answered Feb 22, 2014 by sara Guru (24,570 points)

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