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Rapid Application Development (RAD) approach to the systems development lifecycle.



  • The objective is to have a subset of the system working early on in the development cycle.
  • The system is then built incrementally from this point.
  • The parts that will have the biggest business benefit are built first with those with the least beneficial effect built later.
  • When each module (build) is tested there is a loop back to design for further modification.
  • After integration testing and production of a prototype there is a loop back to the requirements analysis phase to allow for further requirements to be added.