What is Waterfall model?

  • The waterfall model is a sequential design process, often used in software development processes, in which progress is seen as flowing steadily downwards (like a waterfall) through different phases.
  • The waterfall model maintains that one should move to a new phase only when its preceding phase is completed and perfect, there is no simultaneous execution of two phases.
  • Different phases of Water Model:
Water Fall Model

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