单选题 So it is today. Schedule disaster functional misfits, and system bugs all arise because the left hand doesn"t know what the right hand is doing. As work ______, the several teams slowly change the functions, size, and speeds of their own programs, and they explicitly or implicitly ______ their assumptions about me inputs available and the uses to be made of the outputs.
For example, the implementer of a program-overlaying function may run into problems and reduce speed relying on statistics that show how ______ this function will arise in application programs. Meanwhile back at the ranch, his neighbor may be designing a major part of the supervisor so that it critically depends upon the speed of this function. This change in speed itself becomes a major specification change, and it needs to be proclaimed abroad and weighed from a system point of view.
How, then, shall teams ______ with one another? In as many ways as possible.
●Informally. Good telephone service and clear definition of intergroup dependencies will encourage the hundreds of calls upon which common interpretation of written documents depends.
●Meetings. Regular project meetings, with one team after another giving technical briefings, are ______. Hundreds of minor misunderstandings get smoked out this way.
●Workbook. A formal project workbook must be started at the beginning.