Basics
Use Case Model
The use case model for any system consists of a set of “use cases”. Intuitively, use cases represent…
August 12, 2021 · Taylor EmmaBasics
Basics
Basic Ideas on UML
Model A model captures aspect important for some application while omitting (or abstracting) the rest. A model in…
August 12, 2021 · Taylor EmmaBasics
Structured Design
The aim of structured design is to transform the results of the structured analysis (i.e. a DFD representation)…
August 12, 2021 · Taylor EmmaBasics
DFD Model of a System
Context diagram The context diagram is the most abstract data flow representation of a system. It represents the…
August 12, 2021 · Taylor EmmaBasics
Data Flow Diagrams (DFDs)
Structured Analysis Structured analysis is used to carry out the top-down decomposition of a set of high-level functions…
August 12, 2021 · Taylor EmmaBasics
Functional independence
A module having high cohesion and low coupling is said to be functionally independent of other modules. By…
August 12, 2021 · Taylor EmmaBasics
An Overview of Current Design Approaches
Cohesion Most researchers and engineers agree that a good software design implies clean decomposition of the problem into…
August 12, 2021 · Taylor EmmaBasics
Basic Concepts in Software Design
Software design and its activities Software design deals with transforming the customer requirements, as described in the SRS…
August 12, 2021 · Taylor EmmaBasics
Algebraic Specification
Algebraic specification In the algebraic specification technique an object class or type is specified in terms of relationships…
August 12, 2021 · Taylor EmmaBasics
Formal Requirements Specification
Formal technique A formal technique is a mathematical method to specify a hardware and/or software system, verify whether…
August 12, 2021 · Taylor Emma