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What is turnaround time?
Turnaround time is the interval from the time of submission to the time of completion of a process. It is the sum of the periods exhausted waiting to get into memory, waiting in the ready queue, implementing on the CPU, and doing I/O.
FIFO page replacement algorithm with example
1. Suggest some mechanism(s) to lower the dispatch latency while scheduling for a real-time system. Also, discuss any trade-off or consequent constraint associated with it, if a
Describe the differences among short-term, medium-term, and long-term scheduling. Short-term (CPU scheduler)-selects from jobs in memory those jobs that are ready to execu
Define race condition. When various process access and manipulate similar data concurrently, then the outcome of the execution depends on certain order in which the access take
The drawbacks of fixed partitioning are: The number of partitions are précised at system generation time limits the number of active processes in the system. For the re
Q. Describes responsibilities of the I/O manager? Answer: The I/O manager is responsible for file systems and device drivers and network drivers. The I/O manager keeps follow
what is independent process? distinguished between independent process and co-operating process
Central to implementation of a modern memory management system is the page replacement algorithm. Modern virtual memory systems break memory up into pages and map (via a page table
Q. What is the purpose of system calls? Answer: System calls permit user-level processes to request services of the operating system.
What are the features of Operation Research approach?
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