What Is Validity Fault?

1.	What Is Validity Fault?
Answer» 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.

Answer»

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.

Discussion