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MBI 630: Week 12 Finalizing Design Specifications . 4/2/2014. Week 12: Finalizing Design Specifications . Finalizing Design Specifications Structure Charts Rapid Application Development (RAD) Video "Application Engineering" Broadway Entertainment Co. Inc., Case Group Discussion.
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Week 12: Finalizing Design Specifications • Finalizing Design Specifications • Structure Charts • Rapid Application Development (RAD) • Video "Application Engineering" • Broadway Entertainment Co. Inc., Case • Group Discussion
The Process of Finalizing Design Specifications • Deliverables and Outcome • Set of physical design specifications, which contains detailed specifications for each part of the system • Database • Input forms & output reports • Interface • Software structure?
Representing Design Specifications • Structure Charts • Shows how an information system is organized in hierarchical modules • Shows how parts of a system are related to one another • Shows breakdown of a system into programs and internal structures of programs written in third and fourth generation languages
Representing Design Specifications • Prototyping • Construction of the model of a system • Allows developers and users to • Test aspects of the overall design • Check for functionality and usability • Iterative process • Two types • Evolutionary Prototyping • Throwaway Prototyping
Rapid Application Development • Systems development methodology created to radically decrease the time needed to design and implement information systems radically. • Five key factors • Extensive user involvement • Joint Application Design sessions • Prototyping • Integrated CASE tools • Code generators