Data Flow Diagrams

data flow diagram

This tutorial focuses on the definition of the data flow diagram (DFD), levels of the DFD, and its different types. …

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Prototype Model

prototype model

In this tutorial, we are going to study a very common SDLC model – the Prototype Model. So, let’s begin. …

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Spiral Model

Spiral model

Hello friends! In this tutorial, we will study one of the most common SDLC models, the Spiral model. The major …

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