On Thursday, summarized in Figure 11 and 12, respectively, is how the First Come First Served spent waiting to receive the load by an average of 375 hours, 08 minutes and when grading with Earliest Due Date to be found. that the waiting time has increased over the grading of traditional (First Come First Served) is up to 27%, which other methods can reduce the waiting time was as follows: Critical Ratio reduce the waiting time was 40% Priority Queuing reduced. the wait time was 39% Shortest Processing Time reduce the waiting time was 44% Longest Processing Time reduce the waiting time by 50% and Weighted Fair Queuing reduce the waiting time is 41% concluded on Thursday a ranking of the most powerful is. priority Longest Processing Time, Shortest Processing Time and Weighted Fair Queuing.