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Q. You have devised a fresh page-replacement algorithm that you think may be optimal. In a few contorted test cases Belady's anomaly occurs. Is the fresh algorithm optimal? Descr
Explain about deadlock detection? In deadlock situation, the system must provide An algorithm that verifies the state of the system to verify whether a deadlock has occu
Several schemes available are as follows: Pipes : One-way communication process through which different process can interact. The problem is that the two processes could have
Define where a Program generation activity aims Program generation activity aims at Automatic generation of program
Q. Presume that a distributed system is susceptible to server failure. What mechanisms would be needed to guarantee the exactly once semantics for execution of RPCs? Ans
Describe Three major roles of operating systems in business computer systems
why we say " OS is a resource allocator" and “OS is a control program"?
What is the MFD? UFD? How are they related? MFD is master-file directory, which points to the UFDs. UFD is user-file directory, which points to each of user's files.
how response times are reduced by allowing time sharing on top of multiprogramming
What are three conditions that a solution for the critical section problem must satisfy? The three conditions are as following:- a) Mutual exclusion :- if a process is
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