8 phases of software development life cycle

A systems development life cycle is composed of a 8 phases of software development life cycle of clearly defined and distinct work phases which are used by systems engineers and systems developers to plan for, design, build, test, and deliver information systems. SDLC can be described along a spectrum of agile to iterative to sequential methodologies.

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SDLC, during which slightly different activities occur. SDLC is used during the development of an IT project, it describes the different stages involved in the project from the drawing board, through the completion of the project. The SDLC is not a methodology per se, but rather a description of the phases in the life cycle of a software application. SDLC phases but the method of doing that varies vastly between methodologies. The product life cycle describes the process for building information systems in a very deliberate, structured and methodical way, reiterating each stage of the product’s life. UK government Office of Government Commerce in the 1980s. The system development life cycle framework provides a sequence of activities for system designers and developers to follow.

It consists of a set of steps or phases in which each phase of the SDLC uses the results of the previous one. The SDLC adheres to important phases that are essential for developers—such as planning, analysis, design, and implementation—and are explained in the section below. This includes evaluation of the currently used system, information gathering, feasibility studies, and request approval. Preliminary analysis: Begin with a preliminary analysis, propose alternative solutions, describe costs and benefits, and submit a preliminary plan with recommendations. Conduct the preliminary analysis: Discover the organization’s objectives and the nature and scope of the problem under study.