Basics
Utility of use case diagrams
From use case diagram, it is obvious that the utility of the use cases are…
Basics
Use Case Model
The use case model for any system consists of a set of “use cases”. Intuitively,…
Basics
Basic Ideas on UML
Model A model captures aspect important for some application while omitting (or abstracting) the rest.…
Basics
Structured Design
The aim of structured design is to transform the results of the structured analysis (i.e.…
Basics
DFD Model of a System
Context diagram The context diagram is the most abstract data flow representation of a system.…
Basics
Data Flow Diagrams (DFDs)
Structured Analysis Structured analysis is used to carry out the top-down decomposition of a set…
Basics
Functional independence
A module having high cohesion and low coupling is said to be functionally independent of…
Basics
An Overview of Current Design Approaches
Cohesion Most researchers and engineers agree that a good software design implies clean decomposition of…
Basics
Basic Concepts in Software Design
Software design and its activities Software design deals with transforming the customer requirements, as described…
Basics
Algebraic Specification
Algebraic specification In the algebraic specification technique an object class or type is specified in…
