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Process:
pid
start time
end time
priority
timeslice
list of CPU bursts
list of IO bursts (the number of IO burst will always be 1 less than the number of CPU bursts)
Start up Queue:
holds the processes which have not started executing (start time > clock)
(recommendation: order by start time)
Active/Expired Queue:
holds the processes that are waiting to use the cpu
(recommendation: order by priority)
IO Queue:
holds processes that are currently waiting for IO burst to finish.
(recommendation: order by current io burst left)
Finished Queue:
holds the processes that have completed all its cpu bursts
(recommendation: order by finish time)
CPU:
holds the process that is currently executing in the cpu.
What is bus arbitration? It is method by which the next device to become the bus master is selected and bus mastership is transferred to it. There are two ways for doing this:
sequential files
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