Data Flow Diagrams (DFDs)
Structured Analysis Structured analysis is used to carry out the top-down decomposition of a set…
Basics
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…
Basics
Formal Requirements Specification
Formal technique A formal technique is a mathematical method to specify a hardware and/or software…
Basics
Documenting functional requirements
For documenting the functional requirements, we need to specify the set of functionalities supported by…
Basics
Basic concepts in Requirements Analysis and Specification
Role of a system analyst The analyst starts requirements gathering and analysis activity by collecting…
Basics
Prototyping and Spiral Life Cycle Models
Prototype A prototype is a toy implementation of the system. A prototype usually exhibits limited…
Basics
Software Life Cycle Model
Basics of Software Life Cycle and Waterfall Model Life cycle model A software life cycle…