Diagram of System Environment

A system is a function for problem solving processes under which a boundary is set between inside and outside of the system and "Input" and "Output" come and go through the boundary.

The work of the system is considered to transform input into output and "origin", where input comes from, and "destination", where output goes to, should be clarified. In recent days, adding to input, output and process, aspects of "Constraint" and "Disturbance" are included and that is becoming popular - refer to diagram 4-3-4.


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