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Round robin will always result in better output compared to FCFS. Is this statement TRUE?

I know statement is FALSE when time quantum of RR is greater than longest CPU burst time of all the process, so isn't its answer will be FALSE because it talking of "always".

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RR is only better than FCFS when burst time of all the process are not same  as it will give less avg waiting time otherwise FCFS is better

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Prakhar Singh Gaharw asked Oct 21, 2018
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processes 1,2,3,4,5 with burst time as 4,1,8,1,2 and arrival time as 0+ RoundRobin used with TQ=1 what will be arrival time chart for processes 1,2,3,4,5.