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Before proceeding with its execution, every process must obtain all the resources it needs is called
Hold and wait
Define the “turn-around” time of a user job Turn- around time is total time taken to execute the job.
What is the sequence in which resources may be utilized? Under normal mode of operation, a process may utilize a resource in the following sequence: Request: If the requ
What is reference string We evaluate an algorithm by running it on a definite string of memory reference and computing the number of page faults. The string of memory reference
#question.explain varios types of system calls..
Q. Error detection in operating system? Error detection- Error detection take places at both the hardware and software levels. At the hardware level every data transfers must b
Removing System Dependencies Because portions of the client - server application program may execute on different machines, it is very important for the developer to remove the
Deadlocks can be detected while the program is running, by running cycle detection algorithms on the graph that de?nes the current use of resources. De?ne this graph as follows:
What are the advantages of Contiguous allocation? The advantages are a. Supports direct access b. Supports sequential access c. Number of disk seeks is minimal.
what is the need-to-know principle? why is it important for a protection system to adhere to this principle?
example of first fit best fit and worst fit
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