♥ Marielle. Yr 12 IPT

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Tuesday, February 8, 2011

The Design Stage (Part 1 & 2) @ 3:08 AM

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~The Design Stage (Part 1 & 2)~

Context Diagrams show an entire system in a single process

Data dictionaries are used to detail each of the data items used by the system in a clear table

Data Flow Diagrams describe movement and changes in data between processes.

Decisions Trees & Tables are used to decide on an alternative in a range of possibilities