A computer with a 32-bit address uses two-level page table. Virtual addresses…
2026
A computer with a 32-bit address uses two-level page table. Virtual addresses are split into a 9-bit top level page table field, an 11-bit second level page table field and an offset. How large are the pages ?
- A.
2 KB
- B.
4 KB
- C.
8 KB
- D.
16 KB
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Correct answer: B
The page offset is calculated by subtracting the page table fields from the total address bits: 32 - 9 - 11 = 12 bits. Page size equals 2 raised to the power of offset bits, so 2^12 bytes = 4096 bytes or 4 KB.