![]() ![]() An I/O burst, waiting for data transfer in or out of the system.įigure 6.1 - Alternating sequence of CPU and I/O bursts.A CPU burst of performing calculations, and.Almost all processes alternate between two states in a continuing cycle, as shown in Figure 6.1 below :.The challenge is to make the overall system as "efficient" and "fair" as possible, subject to varying and often dynamic conditions, and where "efficient" and "fair" are somewhat subjective terms, often subject to shifting priority policies. #Lab scheduling round robin with a timeslice of 4 ticks full
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