05 Jun Suppose we have a computer system with a 44-bit virtual address
Question
[Crowley] Suppose we have a computer system with a 44-bit virtual address, page size of 64K, and 4 bytes per page table entry.
a. How many pages are in the virtual address space? (Express using exponentiation.)
b. Suppose we use two-level paging and arrange for all page table pages (both master and secondary) to ????t into a single page frame. How will the bits of the address be divided up?
5/9/2018 CSE 120 (Spring 2018) — Homework #3 http://cseweb.ucsd.edu/classes/sp18/cse120-a/hw/hw3.html 2/2
c. Suppose we have a 4 GB program such that the entire program and all necessary page tables (using two level pages from above) are in memory.
(Note: It will be a lot of memory.) How much memory, in page frames, is used by the program, including its page tables?
from CSE 120
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