As we discussed in, Chapter 1 the Systems Development Life Cycle (SDLC provides.)The foundation for the processes used to develop an information system. A methodology.Is a formalized approach to implementing the SDLC (i.e, it is a list of steps and.Deliverables). There are many different systems development methodologies and they,,Vary in terms of the progression that is followed through the phases of the SDLC.Some methodologies are formal standards used by government agencies while others,,Have been developed by consulting firms to sell to clients. Many organizations have.Their own internal methodologies that have been refined over the years and they,,Explain exactly how each phase of the SDLC is to be performed in that company. Here.We will review several of the predominant methodologies that have evolved over time.
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