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Fault tolerance : Machine failures, Communication faults, storage device crashes, and decays of storage media must be tolerated by the system to some extent. A fault tolerant sy
What is Belady's anomaly When plotting on a graph the page faults versus the number of available frames. We notice that the number of faults for four frames is greater than th
Many-to-One Model (Green Threads) Implementations of the many-to-one model a lot of user threads to one kernel thread permit the application to create any number of threads tha
discuss unsafe state in operating system
five major activities on file management in operating system.? Explain it.?
What lead to the concept of paging? The main memory is separated into two parts that are one for the resident operating system, and one for the user processes. We may perhaps p
explain how indefinite blocking or starvation occurs..
VARIABLE PARTITIONING We can differ the partitions and change the location according to the size of the process. 50k 40k
Define memory management In multiprogramming system the user part of memory should be further subdivided to accommodate multiple processes. The task of subdivision is carried o
Define ‘LRU’ page replacement policy LRU is Least Recently Used page replacement policy.
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