Question: Suppose that a machine has 38-bit virtual addresses and 32-bit physical addresses. (a) What is the main advantage of a multilevel page table over a

Suppose that a machine has 38-bit virtual addresses and 32-bit physical addresses.
(a) What is the main advantage of a multilevel page table over a single-level one?
(b) With a two-level page table, 16-KB pages, and 4-byte entries, how many bits should be allocated for the top-level page table field and how many for the next level page table field? Explain.

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