n Blocked --> Blocked Suspend
u When all processes are blocked, the OS will
make room to bring a ready process in memory
n Blocked Suspend --> Ready Suspend
u When the event for which it as been waiting
occurs (state info is available to OS)
n Ready Suspend --> Ready
u when no more ready process in main memory
n Ready--> Ready Suspend (unlikely)
u When there are no blocked processes and
must free memory for adequate performance