IT rojsek management Sample sdlc models Waterfall model: has well-defined, linear stages of systems development and support Spiral model: shows that software is developed using an iterative or spiral approach rather than a linear approach a Incremental release model: provides for progressive development oI operational Software Prototyping model: used for developing prototypes to clarify user requirements Context and processes 17Context and Processes 17 Sample SDLC Models ◼ Waterfall model: has well-defined, linear stages of systems development and support ◼ Spiral model: shows that software is developed using an iterative or spiral approach rather than a linear approach ◼ Incremental release model: provides for progressive development of operational software ◼ Prototyping model: used for developing prototypes to clarify user requirements ◼ … IT Project Management