A system has a 36-bit physical address and a page size of 4 KB. How many bits are required for the physical frame number?

Options

  • A. 22 bits
  • B. 24 bits
  • C. 28 bits
  • D. More than one of the above
  • E. None of the above

Correct Answer (Detailed Explanation is Below)

B. 24 bits

Detailed Explanation

4 KB requires 12 offset bits. Therefore, the physical frame number requires 36 - 12 = 24 bits.