Online Century 21 Tutorial

Use Cases and Business Systems in the 21st Century Use cases are vehicles for capturing how someone will use an evolving information technology solution once it is delivered. Much has been tried, written, and presented about this simple, straightforward tool in conjunction with the Unified Modeling Language. The UML comes to us from the universe of Object-Oriented development, a place only few have dared to go and return unharmed. Use cases  more...

Business System Analysis in the 21st Century The Encarta World English Dictionary defines an "analyst" as an "expert who examines something by separating it into its elements and gives an assessment . . .". A Business (Systems) Analyst, then, examines a business system by separating it into its elements to evaluate it. In most organizations, the business analyst also defines business requirements which the information technology  more...

Requirement Gathering JAD Sessions in the 21st Century Decreasing time and cost to deliver information technology that the business community can use has been the goal of the information industry forever. Joint Application Development / Requirements (JAD) is a powerful option if your situation is right. Joint Requirements Planning (JRP) sessions are a specific application of the time-proven JAD concept. It is a proven technique for accelerating the  more...

System Development Life Cycles SDLC in the 21st Century Since mankind invented systems, we have had system development life cycles, in short, a method to our madness. Without methods, every project is an experiment without a roadmap and with an indeterminate outcome. Methodologies give direction to our endeavors. Methodologies alone do not make projects successful. People do. People apply a methodology to make their success repeatable, but the success  more...