Software Development Life Cycles: Waterfall Model, V-Model
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There are various software development approaches defined and designed which are used/employed during development process of software, these approaches are also referred as “Software Development Process Models”. Each process model follows a particular life cycle in order to ensure success in process of software development.
Waterfall approach was first Process Model to be introduced and followed widely in Software Engineering to ensure success of the project. In “The Waterfall” approach, the whole process of software development is divided into separate process phases. The phases in Waterfall model are: Requirement Specifications phase, Software Design, Implementation and Testing & Maintenance. All these phases are cascaded to each other so that second phase is started as and when defined set of goals are achieved for first phase and it is signed off, so the name “Waterfall Model”. All the methods and processes undertaken in Waterfall Model are more visible.
The V-model is a software development model, which can be presumed to be the extension of the waterfall model. Instead of moving down in a linear way, the process steps are bent upwards after the coding phase, to form the typical V shape. The V-Model demonstrates the relationships between each phase of the development life cycle and its associated phase of testing.
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Thanks…. its good
This is understood only for the local indians….The document which he published in Youtube will be seen by international audience. I dont say the concept is wrong, but the presentation could have been much better.
F U. how good do you think is your english? why his english is bad?
F U Jerk
Very good video. I can understand. Just listen.
You need someone else to read the text. Your accent is bad, and you are reading too fast as if you are talking to yourself.
Indian!
he is indian guy, but I can understand him because alot of my teachers are indian and I get used to this kind of english. Thanks for the video
thanks………..
Good one available there.Thanks.
Good Video but bad English.
WTF! I cant understand a word! is the speaker and Indian or Arab?
C’mon guys…!!! I can’t understand a single word!