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Briefly explain the process management in UNIX. UNIX makes use of the easy but powerful process facility that is visible to the user. UNIX follows the model in which the majori
Q. What are the three main activities of an operating system in regard to memory management? Answer: a. Keep follows of which parts of memory are currently being used and
discuss unsafe state in operating system
Some CPUs provide for more than two modes of operation. What are two possible uses of these multiple modes?
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Q. Show the services which provided by operating system? A) Resource Allocation: If there are more than one user or jobs running at the same instance then resource
Describe the technique of packing. The physical record size will not accurately match the length of the desired logical record and the Logical records may even differ in length
In a multiprogramming and time sharing environment several users share the system simultaneously .what are two such problems?
SSTF stands for Abbreviation of SSTF is Shortest-Seek-time-first scheduling
Calculate the Average Waiting Time CPU burst time points out the time, the process needs the CPU. The subsequent are the set of processes with their respective CPU burst time (
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