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Dynamic scheduling: The number of thread in a program may be changed during the course of operation. Dynamic priority scheduling is a kind of scheduling algorithm in which the priorities are determined during the run time of the system. The goal of dynamic scheduling is to calculate to dynamically modification progress and form an optimal configuration in self-sustained manner.
Explain how the os implements virtual memory phenomenon.
What are the various file operations? The six basic file operations are Creating a file Reading a file Writing a file Repositioning within a file Tr
Q. In a disk jukebox what would be the result of having more open files than the number of drives in the jukebox? Answer: Two bad results could result. One likelihood is star
Q. Process migration in a heterogeneous network is typically impossible given the differences in architectures and operating systems. Explain a method for process migration across
Q. How does the distinction among kernel mode and user mode function as a rudimentary form of protection (security) system? Answer: The distinction among kernel mode and user m
Page fault is a trap to the software gained by the hardware when a process accesses a page that is goes in the virtual address space, but not added in physical memory. In the har
Can a direct access file be read sequentially? Explain. Yes. Keep a counter, cp, initially set to 0. After reading record cp, increment cp.
Processes and Programs Process is a dynamic entity which is a program in execution. A process is a sequence of information executions. Process exists in a limited span of t
Utility Programs: those programs which are not the essential part of operating system. But they provide different utilities / features to the users e.g. MS-DOS : Fdisk, FORMAT, AT
What are the two principles in Hungarian method?
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