Memory Management – Part 1


Programs cannot access physical memory directly, they have to access memory using the below techniques.  And most important all the below memory models has Code , Data and Stack segments. Linear address space is virtual address which is mapped to the physical address.  

a) Flat Memory Model  

b) Segmented Memory Model  

c) Real – Address Mode Memory Model.

 

Some of the interesting facts are  

-IA-32 and IA-64 processors uses either Flat Memory Model or Segmented Memory Model. 

-Real Address mode uses segmented memory of 64 KB blocks.  

-During conversion of linear address to physical address, the addresses are sent out on processor address bus.

Wait for more 🙂

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