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Which of the following is NOT a valid Software Life Cycle Model?

  • A.JAD
  • B.Iterative
  • C.Prototype
  • D.Circular

Answer: D

'Circular' is not a valid software life cycle model. JAD (Joint Application Development) is a method of gathering requirements through workshops that the key treats as valid, and the iterative and prototype models are recognised models. The spiral is the model with a cyclic form, and not a model called circular. The spiral model, the waterfall model and the iterative model are examples of models that do appear in textbooks.

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