SAD Activity 01 1. What is system analysis and design? 2. What is SDLC 2.1 Steps of the SDLC 2.1.1 Gathering Requirements 2.1.2 Requirements Analysis 2.1.3 Design 2.1.4 Development 2.1.5 Testing 2.1.6 Deployment 2.1.7 Maintain 3. What is Methodology? 4. Traditional Methodology 4.1waterfall Model 4.1.1 Steps of the waterfall Model 4.1.2 When to use waterfall Model 4.1.3 Advantages of the waterfall model 4.1.4 Disadvantage of the waterfall model 4.2 Prototype Model 4.2.1 Steps of the prototype 4.2.2 When to use prototype model