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What is contiguous allocation?
Allocation of a group of consecutive sectors for a one file.
Q. It is occasionally said that tape is a sequential-access medium whereas magnetic disk is a random-access medium. In fact the correctness of a storage device for random access d
Determining the time quantum for a job is a critical task. Given the assumptions that the average switching time between processes is s, and the average amount of time an I/O bo
diffenciet between least recently used and not recently used
What are the phases of background processing? Phases are:- Job Scheduling. Job Processing. Job Overview.
What are the disadvantages of swapping technique used in pre-3BSD UNIX systems? If there is excessively much memory contention, processes are swapped out until sufficient
Describe the purpose of the checkpoint mechanism. How habitually must checkpoints be performed? Explain how the frequency of checkpoints affects: System performance while no
what is the function of operation management?
What is the resident set and working set of a process? Resident set is that portion of the process image that is actually in real-memory at a certain instant. Working set is th
linked allocation using i node
Determine what the “blocking factor” of a file is Blocking factor is the number of logical records in one physical record
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