Virtual Memory

Running Head: UNIT 4 PROJECT living MEMORY social unit 4 show Virtual patronize Dan Begley IT320 Operating Systems Concepts Abdellah Tazi February 21, 2009 board of Contents Cover Page carry over of Contents Abstract Virtual Memory ( component role 1) Virtual Memory (Part 2) References Abstract Using the link http://courses.cs.vt.edu/~csonline/OS/Lessons/VirtualMemory/index.html , to display the affectation, the scholar was directed to press the Start going in rate to initiate a sequence of operating room in which the 8 sufficees that take turns referencing memory locations were accesses. Using the due south dissembling the student could actually see the effects on FIFO, LRU, LFU, SC and ergodic in the parameters of number of rapscallion faults, enumerate number of page references and page fault rate %. Unit 4 Project Virtual Memory Part 1. after press ing the Start button, a sequence of operation was initiated in which the 8 processes took turns referencing the memory locations. The boxes indeed turned dark blue, which indicated that a process was running.

When that box would flip-flop to light blue, it indicated that the process was coiffure to be run, but hadnt dineroed as it was waiting for its turn. At first the page frames were exsanguine; which indicated that the frame was empty. After the start button was pressed and the simulation progress began, the running process chose a specific page. If a page fault occurred, and then the process would count erchange pretext to red, and the requested ! page would be put into primary memory. The pertly pages in the page table were green. If a process wrote to a page, then the page would change from green to yellow. This indicated that the contents of the page had changed as well as the fact that it should be copied natural covering to disk ahead being replaced by another page, (Coutinho, 1996). Part 2. The second simulation figure illustrated the behavior of each of the 5 page...If you want to study a full essay, order it on our website: BestEssayCheap.com

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