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    I've seen two ways of expressing system flowcharts and I'm not sure which is valid and what you're expected to use for COMP4 (AQA).

    http://i.imgur.com/bqjDc92.png

    Seems like a more abstract way of representing a system. Inputs, processes and outputs are grouped together by their type and all lead to/come from one process symbol.

    http://www.hit.ac.il/staff/leonidM/i...ages/37-04.jpg
    http://i.imgur.com/HSZLUjU.png

    A lot more like a program flowchart. Inputs, processes and outputs are separated and presented in the order they're used. What confuses me between these two is that one has a terminal symbols and another doesn't.
 
 
 
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