It is true that the investigation phase of the SDLC involves specification of the objectives, constraints, andscope of the project
A software life cycle model, often known as a process model, is a visual and diagrammatic depiction of the software life cycle.
A life cycle model shows all the procedures needed to move a software product through each stage of its life cycle. It also records the framework in which these techniques are to be applied.
The entry and departure criteria for a stage cannot be identified without a software life cycle model. Software project managers find it challenging to track the project's development without the use of software life cycle models.
The Systems Development Life Cycle's Implementation phase is the stage that takes the longest and costs the most money (SDLC)
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