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GATE | GATE CS 2013 | Question 65

  • Difficulty Level : Hard
  • Last Updated : 28 Jun, 2021

A computer uses 46-bit virtual address, 32-bit physical address, and a three-level paged page table organization. The page table base register stores the base address of the first-level table (T1), which occupies exactly one page. Each entry of T1 stores the base address of a page of the second-level table (T2). Each entry of T2 stores the base address of a page of the third-level table (T3). Each entry of T3 stores a page table entry (PTE). The PTE is 32 bits in size. The processor used in the computer has a 1 MB 16-way set associative virtually indexed physically tagged cache. The cache block size is 64 bytes.

What is the size of a page in KB in this computer?

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(A) 2
(B) 4
(C) 8
(D) 16


Answer: (C)

Explanation: See https://www.geeksforgeeks.org/operating-systems-memory-management-question-9/ for solution.

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