Demand Paging - Goiitcom

By Samuel Ward,2014-09-09 18:13
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Demand Paging As there is much less physical memory than virtual memory the operating system must be careful that it does not use the physical memory inefficiently. One way to save physical memory is to only load virtual pages that are currently being used by the executing program. For example, a database program may be run to query a database. In this case not all of the databa..

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