Scheduling turnaround time
= Scheduling turnaround time
{title2=$T_i=c_i-a_i$}
The duration from a task's arrival $a_i$ until its completion $c_i$: $T_i=c_i-a_i$. It includes execution and all intervening waits. For A under <round-robin scheduling> in <process scheduling>, $T_A=9-0=9$, despite a <scheduling response time> of zero.