12. Data Flow Diagrams (cont)

Process

Next, data is transformed by a 'process'. A process is anything that causes the data to be changed in some planned way. For instance converting the incoming order into three other types of data.

A process can be shown as a square graphic, like so

DFD Data Flow Diagram Process

A process is represented as a box (colour down to artistic licence). The box contains a name for the process and a number to help identify it. The style is not important but it should remain consistent throughout the diagram.

 

challenge see if you can find out one extra fact on this topic that we haven't already told you

Click on this link: Drawing DFDs