Pre-paging and demand-paging
What do you understand by the term pre-paging and demand-paging?
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With demand paging, a page is brought into memory only when a location on that page is really referenced through execution. With pre-paging, pages other than the one demanded with a page fault are brought in. The selection of these pages is done based on common access patterns or especially for secondary memory devices.
Goal: To simulate and evaluate four different memor y allocation/deallocation techniques: • first fit • next fit • best fit • worst fit when a linked list is used to keep track of memory usage. Assume that the memory is 256 KB and is divided int o units of 2 KB each. A process may re
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