Appearing computer is that earthshaking change happened in human being's life. The monolithic machine is also to come into being but to come into being and develop to be accompanying a computer's. Also can exaggerate a field not in the least saying monolithic machine technology appearing is measured and controlled a field having brought about a new technological revolution by modern industry. It has used controlling using discrete component to be in progress in the first place , the change has controlled to using procedure to be in progress , the reliability that the messenger controls has increased by , the function has increased by , cost has reduced , has controlled more nimbly. The most important being, is especially easy to make TT&C Telemetry Tracking and Command studying and grasping changeable. Many are not that the personnel who automates to control special field can't can a field strenuousness without any, even by studying the monolithic machine independently
Key words Monolithic machine，stopwatch，clock，calculagraph
