SOFTWARE ENGINEERING

Detailed explanation-1: -Waterfall model is the simple model which can be easily understood and is the one in which all the phases are done step by step.

Detailed explanation-2: -The new seven phases of SDLC include planning, analysis, design, development, testing, implementation, and maintenance.

Detailed explanation-3: -The SDLC process involves several distinct stages, including planning, analysis, design, building, testing, deployment and maintenance.

Detailed explanation-4: -The V-Model is an extension of the waterfall model and is based on the association of a testing phase for each corresponding development stage. This means that for every single phase in the development cycle, there is a directly associated testing phase.