- For the chemical reaction SADT, see Self Accelerating Decomposition Temperature
SADT (Structured Analysis and Design Technique) is a Software Engineering technique for describing systems as a hierarchy of functions
Techniques
SADT uses two types of diagrams: activity models and data models. It uses arrows to build this diagrams.
The Semantics of Arrows
For activities:
- Inputs are data that are consumed by the activity.
- Outputs are produced by the activity.
- Controls influence the execution of an activity but are not consumed.
- Mechanisms identify the means, components or tools used to accomplish the activity.
For data:
- Inputs are activities that produce the data.
- Outputs consume the data.
- Controls influence the internal state of the data.
SADT is a method based in systems theory.
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