SDLC اسئلة واجوبة المقابلات

Question: Describe waterfall software development life cycle model.

Waterfall is a sequential and non-iterative SDLC model which describes the flowing of phases downwards one by one. The process does not start a phase unless the previous phase is completed once and for all completely. The waterfall model consists of the following phases:

• • Requirements gathering
  • Design
  • Implementation
  • Testing
  • Maintenance