Page 225 - DCAP405_SOFTWARE_ENGINEERING

Software Engineering

Notes 13.1 Building the Analysis Model

Function

Process
Data Object Specification
Description (PSPEC)
ERD DFD
Data dictionary
Data

STD
Behavior

Control Specification (CSPEC)

Did u know? Why do we model?

We build models so that we can better understand the system we are developing.
We build models of complex systems because we cannot comprehend such a system
in its entirety.
Analysis Model – UML

Function
Class diagram
Object diagram
Use case diagram
Activity diagram
Object
Data

Behavior
State-chart diagram
Interaction diagram

13.1.1 Data Modeling: ER Diagram

1. Examines data objects independently of processing
2. Focuses attention on the data domain
3. Creates a model at the customer’s level of abstraction
4. Indicates how data objects relate to one another.

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