Question: Why main-memory disk hierarchy is called virtual memory? What are the two motivations behind the development of virtual memory schemes and which one is still

Why main-memory disk hierarchy is called virtual memory? What are the

Why main-memory disk hierarchy is called virtual memory? What are the two motivations behind the development of virtual memory schemes and which one is still relevant? (2 Marks b. With the help of a diagram for the three level hierarchy of translation page tables, and pages in main memory as well as on secondary storage, explain ho memory system works bringing out the significance of the validity, reference, and dirty bits. lookaside buffer (TLB), w a virtual

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