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The procedure for handling the page fault is as follows
1. We check the internal table to verify whether the reference was valid or invalid.
2. If the reference was invalid, we terminate the process.
3. We find a free frame.
4. We schedule a disk operation to read the wanted page into the newly allocated frame.
5. When the disk read is complete, change the internal table to indicate that the page is now in memory.
6. We start again the instruction.
why we say " OS is a resource allocator" and “OS is a control program"?
Determine the syntax of the Fork and Join Primitive Answer: Syntax of the Fork and Join Primitive is as follow: Fork Join
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From hardware perspective, every information system can be divided into three task areas Presentation, Application Logic and Data Storage. The R/3 Basis software is extremely s
What is Demand paging? Virtual memory is commonly executed by demand paging. In demand paging, the pager brings only those essential pages into memory instead of swapping in a
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Before proceeding with its execution, every process must obtain all the resources it needs is called Hold and wait
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