Explain the waterfall model, Software Engineering

Assignment Help:

Explain the waterfall model. Explain why it is more advantageous than adhoc methods.

Ans Waterfall Model:

1.The waterfall model is a chronological software development process in which progress is seen as flowing steadily downwards (like a waterfall) through the phases of Initiation, Conception, analysis, design (validation) and testing Construction and maintenance.

2. The first official description of the waterfall model is given by Winston W. Royce in 1950 nevertheless popular in 1970 and further refined by Barry Boehm.

3. To follow the waterfall model one carries on from one phase to the next in a purely sequential manner. For instance one first completes requirements specifications which are set in stone. When the requirements are completely completed one proceeds to design.

4. Process structured as a tumble of phases where output of one is input of next.

5. Several variants of model depending on organization and specific project. However underlying phases are same for all.


Related Discussions:- Explain the waterfall model

Explain bottom up design, Bottom up design: This design leads to a style o...

Bottom up design: This design leads to a style of design where we decide how to join these modules to give larger ones; to combine those to give even larger ones, and so on, till

Draw an entity-relationship model, (a) Draw an Entity-Relationship model f...

(a) Draw an Entity-Relationship model for the relational schema given in the Appendix. Show all the entities, relationships, relationship names, and attributes and also underline

What is the use of architectural design, What is the use of Architectural d...

What is the use of Architectural design? The Architectural design explains the relationship among major structural elements of the software, the "design patterns" that can be u

What is verification, Q. What is verification? Ans. Verification is...

Q. What is verification? Ans. Verification is the procedure of determining whether the output of one phase of software development conforms to that of its previous phase wh

What are the drawbacks of rad model, Question 1 . What are the drawbacks of...

Question 1 . What are the drawbacks of RAD Model Question 2 . Explain why reliability is more important than efficiency? Question 3 . What are the activities of funct

What is the benefit of modular design, What is the benefit of modular desig...

What is the benefit of modular design? Changes made during testing and maintenance becomes manageable and they do not influence other modules.

What is oo integration testing, This strategy includes testing the classes ...

This strategy includes testing the classes as they are integrated into the system. The traditional approach would test every operation separately as they are executed into a class.

What is parameter, In software QA or software testing, a parameter is an it...

In software QA or software testing, a parameter is an item of information - like a name, number, or selected option - that is approved to a program, by a user or another program. B

What do you understand by software quality, What do you understand by "Soft...

What do you understand by "Software Quality"? Quality software means, it's: - Free of bugs - Is easily maintainable - Within the budget - Meets requirements - De

Define the estimation models, Write short notes on estimation models. E...

Write short notes on estimation models. Empirical estimation models can be used to complement decomposition techniques and present a potentially important approach in their own

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd