SOFTWARE DEVELOPMENT LIFE CYCLE MODEL

SOFTWARE DEVELOPMENT LIFE CYCLE MODEL

1. Lifecycle

   • Requirements
     • data collection
       • needs
       • questions
       • interview
   • Implementation
     • design are translated into programs (code)
     • meet the requirements
     • translate directly to the code
   • Testing
     • to verify that it works and that it complies
     • unit tests
   • desing
     • the structure of the system
     • prototype

2. cascade model

   • classic or linear-sequential
   • easy to understand and use
   • Each phase is completed and verified

3. model Waterfall

   • it is simple and Easy to use
   • each phase has a specific purpose
   • small projects

4. V-shaped model

   • define specific goals
   • probability of success
   • it is difficult to add or change the requirements

5. Incredible model

   • requirements collection and high-level design
     • are divided into iterations.
   • split software is created at the end of the first iteration in iterations.
   • during each iteration, and the unit test evaluates the added functionality