CS 481:  Operating System Principles



               Assignment # 7:  Due Date =  11/16/98



1. Suppose a 32 bit virtual address is broken into four fields a, b, c
   and d. The first three are used for a 3-level page table system and
   d is the offset. Does the number of pages depend upon the size of
   all four fields? Which matter and which do not?



2. Chapter 12 of text, Problem 5.



3. Chapter 12 of text, Problem  15.