Archive for the ‘ IT ’ Category

Requirements Elicitation activities

1.B.4-Requirements Elicitation activities (discuss with natural language) Identifying actors (type of actor that use system in all cases-normal and abnormal-) Identifying scenarios (different scenario with different actor –is specific scenario with specific Actor-) Identifying use cases (define use case and its actor) Identifying relationship among actors and use cases (relation use [ READ MORE ]

Types of Requirements Elicitation

1.B.3-Types of Requirements Elicitation Greenfield Engineering Development starts from scratch, no prior system exists, and the requirements are extracted from the end users and the client Triggered by user needs Re-engineering Re-design and/or re-implementation of an existing system using newer technology Triggered by technology Enabler. -must understand business role and logic. Interface Engineering Provide the services [ READ MORE ]

Requirements Validation

1.B.2-Requirements Validation (check if required is needed or not) Usually performed: Requirements engineering Requirements analysis System delivery.   Validation criteria:     Completeness: All possible scenarios, in which the system can be used, are described, including exceptional behavior by the user or the system. Like: bank customer gets all cash money account Will close or not. I feel with completeness according customer talk about future of [ READ MORE ]