Which process model is also called as classic life cycle model?
(A) Waterfall model
(B) RAD model
(C) Prototyping model
(D) Incremental model


Answer: (A)

Explanation: Waterfall model is also known as classic life cycle model. Classical waterfall model is the basic software development life cycle model. It is very simple but idealistic. Earlier this model was very popular but nowadays it is not used. But it is very important because all the other software development life cycle models are based on the classical waterfall model.
So, option (A) is correct.

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