FRs and NFRs
FRs and NFRs are two fundamental categories of specifications, and understanding the distinction between these two types of requirements is crucial for successful system development.
Understanding FRs
FRs specify what a system should do and how it interacts with its environment. They determine the system’s behavior, inputs, processing, and output. These requirements are derived from user needs, system models, and business rules and are usually documented in use cases, user stories, or functional specification documents.
Clearly defined FRs offer clarity in development, acting as a blueprint for developers to understand precisely what needs to be built. This ensures that the development process is focused and efficient. Additionally, FRs play a crucial role in stakeholder communication, serving as a vital link between stakeholders and the development team to ensure a common understanding of the system’s objectives. Furthermore, these requirements...
