PPT Slide

What is required of memory management?

• Relocation
  • ability to load in relative addresses
  • ability to translate relative into absolute (real) addresses

• Protection
  • processes should not be able to reference memory locations of other processes without permission
  • it has to be provided at run time

• Sharing
  • several processes should be able to access the same portion of main memory

• Logical organization
  • most programs are organized in modules
  • the OS should be able to handle modules or segments

• Physical organization
  • primary and secondary
  • support overlaying

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