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Q. Distinguish among PCS and SCS scheduling.
Answer: PCS scheduling is completed local to the process. It is how a thread library schedules threads onto available LWPs. SCS scheduling is the circumstances where the operating system schedules kernel threads. On systems utilizing either many-to-one or many-to-many the two scheduling models are fundamentally different. On systems utilizing one-to-one PCS and SCS are the same.
Write a short note on file organization and access. There are three methods to access files 1Record Access 2Sequential Access 3Random Access The record access
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Priority Scheduling leads to the risk of starvation: a process is ready, but never is given the processor. Some preemptive priority schedulers therefore reserve a fraction of the p
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