Draw the format of the minimum size page table


Problem

A virtual memory page can be loaded into any page-frame of the physical memory. A table, called a page table, is used to ?nd the page-frame of the physical memory where a virtual-memory page is located, if the page is present in the physical memory. Assumed that a computer has 128-word physical memory and 1024-word virtual memory.

1. What is the minimum size of a page table? Explain.

2. For the minimum size page table how many words are necessary? Assume that length of a word is no less than the number of bits of a virtual memory address.

3. Draw the format of the minimum size page table.

4. What is the maximum size of a page table? Explain.

5. For the maximum size page table hovxr many words are necessary? Assume that length of a word is no less than the number of bits of a virtual memory address.

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Operating System: Draw the format of the minimum size page table
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