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Removing System Dependencies Because portions of the client - server application program may execute on different machines, it is very important for the developer to remove the
What problems arise if the directory structure is a general graph? Searching for a particular file may result in searching the similar directory many times. Deletion of the fil
Q. Consider the subsequent page reference string: 1, 2, 3, 4, 2, 1, 5, 6, 2, 1, 2, 3, 7, 6, 3, 2, 1, 2, 3, 6. How many page faults would take place for the following replace
How can an index file be used to speed up the access in direct-access files? Have an index in memory; the index gives the key and the disk location of its corresponding record.
What is the hardware support required to implement paging? Each operating system has its own techniques for storing page tables. The majority allocates a page table for each pr
what are the main advantages of multiprogramming
example of first fit best fit and worst fit
Define ‘LRU’ page replacement policy LRU is Least Recently Used page replacement policy.
Define the Scheduling in Multitasking Earlier we learned the concepts and advantages of multitasking. In a system in which one or more tasks( threads or processes) attempt to s
What is a file? A named collection of related data explained by the creator, recorded on secondary storage.
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