CPU idle t0

t1

t2

t3

t4

t5

t6

time

Ready Queue: Wait Queue:

P3 P2

P3 P1

P1 P2

P2 P3

P3

PCB for P1

0xCAFE Running

0xC0DE Sleeping

0xC0DE Ready

0xC0DE Running

Process 1 has terminated; It’s PCB has been freed

PCB for P2

0xFACE Ready

0xFACE Running

0xFEED Sleeping

0xFEED Ready

0xFEED Running

Process 2 has terminated PCB is freed

PCB for P3

0xDEAF Ready

0xDEAF Ready

0xDEAF Running

0xD1CE Sleeping

0xD1CE Ready

0xD1CE Running

P3 has exited; PCB freed