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Graded Discussion board
GDB of CS604 will be conducted on Thursday, 07 February, 2019. It will remain open for two days.
Consider a situation in which system is using demand paging technique to load pages from Swap Space to Main Memory. Let’s suppose that a process needs to be loaded in Main Memory. Initially, there are no pages of that process in Main Memory and no free frames are available in main memory.
In that situation, which technique will be used so that process can be loaded in the main memory without affecting the degree of multi-programming and either the page fault rate will increase or decrease thereby increasing or decreasing the performance of system?
You are required to give your own opinion. Keep your answer precise and to the point and should not exceed 6 to 8 lines.
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any Idea guys?
well first of all we have to read Demand Paging in Lecture 38 and watch that lecture as well.
plz gdb share
so page replace technique will be use to get pages from disk into main main memory.
What about page fault rate?
will page fault increases or decreases what you think kalimullah?
so far what i studied. page fault rate will decrease.
CS604 GDB solution IDEA
Good page replacement algo will decrease the chances of page fault hence page fault rate will decrease
Watch lecture 39 at 25 min nto 30 min to find out how page fault rate reduce