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content/notes/i201-practice.md
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@ -23,4 +23,18 @@ root causes - this occired because there was redundancy within the database - th
how it can be solved/avoided - this can be easily avoided by normalising the database to remove redundancies.
## 3
a) business functions are things that the business *ought* to be doing, for example "accept payment from customer". The can be identified by verb phrases
a) business functions are things that the business *ought* to be doing (not what it is doing now), for example "accept payment from customer". each business function essentially become a fuction or a set of functions within the information system. they do not describe the who, how, or where of the function.
b) business function are typiclaly modelled using use case diagrams. in the final system they become features or a set of features
## 4
1) dont have the technical ability
2) not legal
3) organisational - lack of institutional will
## 5
requirements - Requirements are something an information system should do, or some constraint it should adhere to
acceptance tests - not covered
## 6