Composition is a stricter form of aggregation, in which the parts are existence-dependent on the…

Class diagrams  A class diagram describes the static structure of a system. It shows how…

From use case diagram, it is obvious that the utility of the use cases are…

The use case model for any system consists of a set of “use cases”. Intuitively,…

Model  A model captures aspect important for some application while omitting (or abstracting) the rest.…

The aim of structured design is to transform the results of the structured analysis (i.e.…

Context diagram  The context diagram is the most abstract data flow representation of a system.…

Structured Analysis Structured analysis is used to carry out the top-down decomposition of a set…

A module having high cohesion and low coupling is said to be functionally independent of…

Cohesion  Most researchers and engineers agree that a good software design implies clean decomposition of…