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Paging
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Paging

Most virtual memory systems use a technique called paging, which we will now explain. On any computer, programs reference a set of memory addresses. When a program implements an instruction like

IMPLEMENTATION ISSUES
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IMPLEMENTATION ISSUES

Implementers of virtual memory systems have to make selections among the major theoretical algorithms, such as second chance versus aging, local versus global page allocation, and demand paging versus prepaging. But they also have to be aware of a number of practical

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