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Q. Name two differences between logical and physical addresses?
Answer: A logical address doesn't refer to an actual existing address rather it refers to an abstract address in an abstract address space. Contrast this by a physical address that refers to an actual physical address in memory. A logical address is produce by the CPU and is translated into a physical address by the memory management unit (MMU). Consequently physical addresses are generated by the MMU.
Q. Explain the differences in terms of cost between the three storage types nonvolatile, volatile and stable. Answer: Volatile storage refers to main as well as cache memory an
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