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George Mason University Computer System Questions


I’m working on a computer systems writing question and need guidance to help me learn.

1. For the following Paging configuration discuss what must be done to ensure a processes address space is not violated.

2. How many memory references would it take to fetch a word from memory if the process requires 80 G of memory and the system has 8 G of physical memory?  Page size is 2k.

3. Describe how a page fault is handled?

4. Given the page reference string  1 2 3 2 1 5 2 4 5 3 2 1 5 2 3 4 5

Show the time sequence of memory that has 3 frames for FIFO, Optimal, LRU, and Second Chance.  Indicate for each time whether a page fault occurred.  How many page faults occurred for each algorithm?

5. Repeat the question above for 4 frames.


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