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A system uses 32-bit virtual addresses and a page size of 4 KB. How many bits of the virtual address form the virtual page number?

1920Medium DSSSB TGT Computer Science 0 replies

A system uses 32-bit virtual addresses and a page size of 4 KB. How many bits of the virtual address form the virtual page number?

  • A12
  • B20
  • C22
  • D32
Correct answer: B

Explanation

A 4 KB page needs 12 offset bits, so the page number uses 32 - 12 = 20 bits.

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