Please enable JavaScript.

Coggle requires JavaScript to display documents.

Requirement Engineering (System Requirement Specification(SRS)…

- - - - Statements in natural language plus diagrams of the services that the systems provides and its operational constraints . written for customers
    - - A structured document setting out detailed descriptions of the system services . Written as a contract between client and contractor
- - - - Process of gathering information about the required and existing systems and distilling the user and system requirements from this information
    - - Requirements discovery
      - Requirements classification and organization
      - Prioritising and negotiation
      - Requirements specification
- - - - -Closed interviews based on pre-determined list of questions.
        
        -Open interviews where various issues are explored with stakeholders
    - - Who tell me about yourself
      - Where to see as your strengths?
      - Why are you interested in this position?
      - Example of Closed Interviews
        
        Types of question tend to have a "yes or no" or a number response to them, they're questions like "did you have a nice day?"
  - - - They should include:
      - Description of the starting situation.
      - Description of the normal flow of events.
      - Description of what can go wrong.
  - - - Ethnography is effective for understanding existing processes but cannot identify new features that should be added to a system.
      - Focused ethnography
        
        Developed in a project studying the air traffic control process.
- - - - Definiton Establishes the level of requirements management detail that is required
      - Requirements management decision:
        
        Requirements identification.
        
        A change management process
        
        Traceability policies
        
        Requirements identification
        
        Requirements Change Management
        
        Deciding if a requirements change should be accepted
        
        Problems analysis and change specification.
        
        Change analysis and costing
        
        Change implementation
- - - - Customers and users for validation, contract
      - System(requirements) analyst
      - Developers, programmers to implement the system
      - Key Point
        
        Requirements specification is process of formally documenting user and system requirements and creating a software requirements document
        
        The requirements engineering process is an iterative process that includes requirements elicitation, specification and validation.
        
        Requirements validation is the process of checking the requirements for validity, consistency, completeness, realism, and verifiability