A virtual memory system has a page size of 1024 bytes, six virtual pages, and five...

 

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A virtual memory system has a page size of 1024 bytes, six virtual pages, and five physical page frames. The page table is shown in Table Q2(d) as follows: Virtual Page Number (VPN) 0 Page Frame Number (PFN) 1 1 2 3 4 5 4 2 - 3 0 Table Q2(d): Page Table (i) Explain how a virtual address generated by the CPU is translated into a physical main memory address. [4 marks] (ii) What is the physical address, if any, of the following virtual addresses: (I) 1000 (II) 2000 (III) 3500 [3 marks] A virtual memory system has a page size of 1024 bytes, six virtual pages, and five physical page frames. The page table is shown in Table Q2(d) as follows: Virtual Page Number (VPN) 0 Page Frame Number (PFN) 1 1 2 3 4 5 4 2 - 3 0 Table Q2(d): Page Table (i) Explain how a virtual address generated by the CPU is translated into a physical main memory address. [4 marks] (ii) What is the physical address, if any, of the following virtual addresses: (I) 1000 (II) 2000 (III) 3500 [3 marks]