Define different models of SDLC-02214
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The concept of system development lifecycle model has been explained in various shapes and forms. The concluding form follows the same spirit except for minor differences.
Waterfall model / Classic lifecycle/ Linear Sequential Model
The waterfall model is a software development model (a process for the creation of software) in which development is seen as flowing steadily downwards (like a waterfall) through the various phases
Incremental Models
In incremental models, software is built not written. Software is constructed step by step in the same way a building is constructed. The products is designed, implemented, integrated and tested as a series of incremental builds, where a build consists of code pieces from various modules interacting together to provide a specific functional capability and testable as a whole.
Iterative Models
In these models customer feed back is taken at each phase and project is modified accordingly - if need be. Prototypes are used in these models.
