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A system has a 32-bit logical address space, 4 KB pages and 4-byte page-table entries. What is the size of a single-level page table for on…

968Medium DSSSB TGT Computer Science 0 replies 1 views
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A system has a 32-bit logical address space, 4 KB pages and 4-byte page-table entries. What is the size of a single-level page table for one process?

  • A1 MB
  • B2 MB
  • C4 MB
  • D8 MB
Correct answer: C

Explanation

There are 2³²/2¹² = 2²⁰ pages, so the table needs 2²⁰ × 4 B = 4 MB.
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