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Define FIFO Page Replacement Algorithm
This policy simply eliminates pages in the order they arrived in the main memory. By using this policy we simply remove a page based upon the time of its arrival in the memory. For instance if we comprise the reference string that is: 1, 2, 3, 4, 1, 2, 5, 1, 2, 3, 4, 5 and 3 frames (3 pages can be in memory at a time per process) after that we have 9 page faults as shown
explain about oprating system services and topics briefly
Explain Belady's Anomaly? Also called FIFO anomaly. Usually, on enhancing the number of frames allocated to a process virtual memory, the process implementation is faster, beca
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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
WHAT IS ACYCLIC GRAPH DIRECTORY
Define System Call A system call is a request that is made by any program to the operating system for carrying out tasks - picked from a predefined set - which the said program
What is the use of FIFOs in client-server applications
examples of classification of models
Q. Why do some systems stay track of the type of a file while others leave it to the user or simply don't implement multiple file types? Which system is "better?" Answer: A f
What is independent process? A process is independent it cannot influence or be affected by the other processes implementing in the system. Any process does not share data with
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