4

Input, Output and Decision Support

Another way of looking at the cybernetics principle is to compare two processing machines in a process. These machines are M1 and M2. Each has an input (I) and an output (O). The input for machine M1 is I(1), and its output is O(1). Correspondingly, the input for machine M2 is I(2) and its output is O(2). The function that converts input to output is F; therefore, the function for machine M1 is F(1), while the function for machine M2 is F(2).

A simplified diagram of this concept is as shown in Figure 4.1.

These machines are both used in the same overall organisation, but for different productive functions. One machine function controls the production of one type of material, while the other controls the ...

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