Paging

1
Paging

• Saket Mengle

2
Defination

• Paging refers to the process of managing
  program access to virtual memory pages that do
  not currently reside in RAM.

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How it works?

• When a page has to be loaded, one of the existing
  pages must be swapped with the requested new
  page.
• The paging system must determine the page to swap
  by choosing one based on an algorithm that
  determines the best choice
• Least recently used
• Least frequently used
• Most Recently used

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Page Table
Virtual Page Number
Page Offset
Main Memory
Page Table
5
Related Terms

• Page Fault
• Page Replacement
• Invalid Page Fault

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Thank You

• Any Questions
• Saket Mengle
• (smengle_at_ir.iit.edu)