State about the data flow diagrams, Software Engineering

Assignment Help:

Data Flow Diagrams (DFD)

It's a graphical representation of flow of data through a system. It pictures a system like a network of functional processes. The foundation of DFD is a data flow graph that pictorially represents transformation on data as demonstrated in Figure.

 

589_DFD.png


Related Discussions:- State about the data flow diagrams

COCOMO model, What is the correct order in which a software project manager...

What is the correct order in which a software project manager estimates various project parameters while using COCOMO?

What is peer reviews, What is Peer Reviews? Ans) A methodical examinatio...

What is Peer Reviews? Ans) A methodical examination of software work products by the producer's peers to recognize defects and areas where changes are required.

What are the benefits of prototyping, What are the benefits of prototyping?...

What are the benefits of prototyping? i. Prototype uses as a basis for deriving system specification. ii. Design quality can be better. iii. System can be handled efficie

What is partition testing, This method categorizes the inputs and outputs o...

This method categorizes the inputs and outputs of a class in order to test them separately. This decreases the number of test cases that have to be designed. To verify the diffe

What is lload testing, Load testing is testing an application under heavy l...

Load testing is testing an application under heavy loads, like the testing of a web site under a range of loads to verify at what point the system response time will degrade or fai

Explain about token count - software metrics, Q. Explain about token count ...

Q. Explain about token count - software metrics? Token count :- A program is considered to be series of tokens and if we count the number of tokens, some interesting results m

Software project planning necessitate what activities, Q. Software project ...

Q. Software project planning necessitate what activities? What are the difficulties encountered in measuring the Software Costs? Ans. Software project planning necessitate th

Explain bottom-up integration, Bottom-up integration This testing start...

Bottom-up integration This testing starts construction and testing with the components at the lowest levels in the program structure.

What do you understand by user-centred design, Problem: (a) What do yo...

Problem: (a) What do you understand by user-centred design and why is it important? (b) Explain how Prototyping and the Participatory Design approach are useful to the d

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