Requirements gathering and specification
Software requirements can be broadly categorized into three main types: functional, non-functional, and constraints. These three categories help define what the software needs to do, how it should perform, and any limitations or restrictions that must be considered:
- Functional requirements: Functional requirements specify what the software system should do regarding its features and capabilities. These requirements describe the system’s behavior and functionality, often in the form of use cases or user stories. Functional requirements answer questions such as “What does the software need to accomplish?” They can include features, user interactions, and data processing tasks. Examples of functional requirements include the following:
- User authentication: Users must be able to create accounts, log in, and reset passwords. User authentication is an example that we will see on both sides of the functional and non-functional...
