Question: assume that PA, PB and PC are three programs. When PA is executed, it needs 8 ticks to complete its execution and it forks new

assume that PA, PB and PC are three programs. When PA is executed, it needs 8 ticks to complete its execution and it forks new processes executing PB at tick-marks 2 and 4. Similarly, PB needs 6 ticks to complete its execution and it forks new processes executing PC at tick-marks 2; and PC needs 4 ticks to complete its execution. Assume that 3 process {P1, P2, P3} have arrived before t=0, and P1 and P2 are executing PA while P3 is executing program PB. Draw a Gantt chart illustrating the scheduling of these processes if a SRTF scheduling is used. Note: Work until the last process, P12, is created.

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