Systems Development Life Cycle

The Systems Development Life Cycle (SDLC), or Software Development Life Cycle in systems engineering, information systems and software engineering, is the process of creating or altering systems, and the models and methodologies that people use to develop these systems. The concept generally refers to computer or information systems. Emphasis on this article (SDLC) is on man-made technological life-cycle. But there are many other life-cycle models to choose from. This includes ecological life cycles, for every life cycle, whether biological or technological, has a beginning and an end.