ISRO | ISRO CS 2017 – May | Question 56

Which of the following is not a life cycle model?
(A) Spiral model
(B) Prototyping model
(C) Waterfall model
(D) Capability maturity model

Answer: (D)
Explanation: Software Life cycle models are those which describe the various phases in software development. These models demonstrate the entire working life cycle of a software from the initial phase of feasibility study to the maintenance phase. Some of these are Spiral model, prototyping model, Waterfall model.
CMM stands for Capability Maturity Model is a process model which specifies the process improvement approach in software development.
So, option (D) is correct.

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