Example of Concurrence Execution(p102) An example Three processes are fully loaded in main memory. A small dispatcher program that moves the processor from one process to another The first 12 instruction executed in processes a and c s Process b executes four instructions and the fourth nstruction invokes(激发) an 1O operation for which the process must wait. PROCESSES AND SCHEDULINGPROCESSES AND SCHEDULING Example of Concurrence Execution(p102) An example: ٭ Three processes are fully loaded in main memory. ٭ A small dispatcher program that moves the processor from one process to another. ٭ The first 12 instruction executed in processes A and C. ٭ Process B executes four instructions and the fourth instruction invokes（激发） an I/O operation for which the process must wait