Latest UNIX Aptitude Question SOLUTION: Q. What does the swapping system do if it identifies the illegal page for swapping? A. If the disk block descriptor does not contain any record of the faulted page, then this caus

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Previous Question: Q. What is validity fault? A. 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. Next Question: Q. What are states that the page can be in, after causing a page fault? A. On a swap device and not in memory, On the free page list in the main memory, In an executable file, Marked demand zero Marked demand fill''.

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Q. What does the swapping system do if it identifies the illegal page for swapping?

A. If the disk block descriptor does not contain any record of the faulted page, then this causes the attempted memory reference is invalid and the kernel sends a Segmentation violation signal to the offending process. This happens when the swapping system identifies any invalid memory reference: Asked In UNIX MAN (10 years ago); Unsolved; Is this Puzzle helpful? (0) (0) Submit Your Solution

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Previous Question: Q. What is validity fault? A. 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. Next Question: Q. What are states that the page can be in, after causing a page fault? A. On a swap device and not in memory, On the free page list in the main memory, In an executable file, Marked demand zero Marked demand fill''.

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