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Second chance Algorithm
When the page is chosen the reference bit is checked to see whether it has been referenced before. If that is the case after that it is given a second chance. The page is moved from head to tail as well as its reference bit is made 0. If it has not been referenced then it is removed.
Example Consider 1,2,3,4,3,5,6. Now 1,2,3 are entered into memory as well as when 4 comes 1 is removed, when 5 comes 2 is removed, when 6 comes 4 is removed instead of 3 as 3 has been referenced in among.
What is the exclusive feature of UNIX Shell is the exclusive feature of UNIX.
protection in paging
what is deckers algorithm
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What advantages are there to this two-level directory? Users are isolated from each other. Users have more freedom in choosing file names.
The term ‘page traffic’ explains Page traffic’ explains the movement of pages in and out of memory.
distinguish between dynamic and fixed partitioning
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Question: (a) The following table (table 1.0) gives the length of the CPU burst time in milliseconds of processes P 1 to P 4 . Assume the processes arrived in the order P 1 ,
Q. Presume an operating system maps user-level threads to the kernel using the many-to-many model and the mapping is done through LWPs. Additionally the system allows developers to
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