The following are some basic popular models that are adopted by many software development firms

A. System Development Life Cycle (SDLC) Model B. Prototyping Model C. Rapid Application Development Model D. Component Assembly Model

There are various SDLC maodels... 1. Waterfall Model 2. Incremental Model 3. Prototype Model 4. Spiral Model 5. Rapid Application Development Model (RAD) 6. V Model 7. XP Model

sdlc models: 1.waterfall model 2.iterative model 3.incremental model 4.spiral model 5.v model 6.rapid application development model 7.xp model 8.agile model 9.rational unified process model 10.prototype model

waterfall model Agile model V model Incremental model prototype model spiral model win win spiral model Rapid application development model XP model Iterative model Rational unified process model

sdlc models 1.water fall model 2.spiral model 3.incremental (or) iterative model 4.rapid development application model 5.v-model 6.Agile model 7.prototype model