International Journal of Application or Innovation in Engineering & Management (IJAIEM)
There are lots of models which are used in software development life cycle. This paper deals with a vital and important issue in computer world. It is concerned with the software management processes that examine the area of software development through the development models, which are known as software development life cycle. It represents five of the development models namely, waterfall, Iteration, spiral, win-win spiral. These models have advantages and disadvantages as well. Therefore, this paper represents different models of software development and make a comparison between two of them waterfall model and spiral model.