Inputs, Outputs and Processes
Quick revise

All systems have inputs, outputs and processes.

A simple version of a factory system would be

1. raw materials go in (inputs)

2. They are worked upon and changed (processes)

3. Manufactured goods come out (outputs).

Of course a system is more complicated and often involves several inputs, processes and outputs which do not necessarily happen within a short space of time in the same country.


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