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title: Approches to systems development
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# Approches to systems development
## 1 traditional
regardless of the approach, the conecpot of the model is import for analysis design and modelling parrasigms

### 1.1 system is a collection of process
function programming
processes interact with data
processes accept inputs and produce ouputs

### 1.2 object oriented
system is a collection of objects
these objects interact with each other
and send and respond to messages