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Module 5: Memory Management

20232m

Virtual memory is
(i) an extremely large main memory
(ii) an extremely large secondary memory
(iii) an illusion of an extremely large memory
(iv) a type of memory used in supercomputer

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Answer: (iii) an illusion of an extremely large memory

Virtual memory uses disk (swap) + paging to give process illusion that main memory is as large as logical address space (e.g., 64-bit). Only needed pages reside in RAM (demand paging). Not physical large memory.

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