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

What is upward compression, What is Upward compression? Ans) In software...

What is Upward compression? Ans) In software design, "upward compression" means a type of demodularization in which a subordinate module is copied into the body of a better modu

How a prototype can be categorised, How a prototype can be categorised ...

How a prototype can be categorised 1.  A paper prototype which is a model depicting human machine interaction in a form which makes user understand how such interaction, would

Design a digital system to produce a pwm , Task You have to design a d...

Task You have to design a digital system to produce a PWM signal that produces pulses at a frequency in the range 50 Hz -100 Hz . The pulses will be between 1 ms and 2 ms du

Define software testability, Q. Define Software testability? Software ...

Q. Define Software testability? Software testability is the degree to which a software artifact (i.e. a software system, software module, requirements- or design document) su

How to build the structure chart, Q. How to build the Structure Chart? ...

Q. How to build the Structure Chart? Building the Structure Chart Processes in the DFD are liable to represent one module on the structure chart Efferent processes

Explain static analysis, Explain Static analysis? Ans) (1) Analysis of a...

Explain Static analysis? Ans) (1) Analysis of a program that is performed without implementing the program. (2)The process of assessing a system or component based on its for

List flaws in waterfall model, List flaws in waterfall model. - The big...

List flaws in waterfall model. - The biggest drawback is that you don't test the application logic until very late in development cycle. - Though a detailed system specifica

What are the three activities of risk assessment, What are the three activi...

What are the three activities of risk assessment? The three activities are identifying, examining and giving priorities . Risks can be identified by a check list or looking at

Software development system, Question: (a) Shneiderman's eight golden ...

Question: (a) Shneiderman's eight golden rules for dialogue design are (1) strive for consistency, (2) enable frequent users to use shortcuts, (3) give informative feedback,

Diffrence between functional testing and structural testing, Q. Differentia...

Q. Differentiate between functional testing and structural testing. Ans: Functional testing signifies behavioural testing or Black box testing. In this techniques the teste

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