This model came up in order to overcome the drawback of the waterfall model. In this model, testing starts from the requirement stage itself.   The V Model is shown in the fig. below.       1) In the first stage, the client sends the CRS both to developers and testers. The developers translate... Continue Reading →

In the Spiral model, the software product is developed in small modules. Let us consider the figure shown below in developing a software product X. X is built by integrating A, B, C and D.   Ra- requirements analysis of module A. Similarly with Rb, Rc, Rd. Da – design of module A. Similarly with... Continue Reading →

It is a traditional model It is a sequential design process, often used in SDLC, in which the progress is seen as flowing steadily downwards (like a waterfall), through the different phases as shown in the figure,   Requirements Collection:- - done by Business Analysts and Product Analysts - gathering requirements - translates business language... Continue Reading →