1. SDLC models

2. SDLC models Waterfall model Iterative incremental model Spiral model
Prototyping model

3. Waterfall model

4. Iterative incremental model

5. Differences between waterfall model and iterative incremental model
To start the project all the requirements should be identified very clearly at the beginning.
1. Can start the project with few requirements.
2. To start the next step previous step should be completed.
2. Without completing the previous step can move to next step.
3. Requirements can not be added in between the stages.
3. Requirements can be added in between the stages.
4. Suitable for small projects.
4. Suitable for large projects.