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

Explain the per-action modeof QTP, Explain the Per-action modeof QTP ...

Explain the Per-action modeof QTP - Best used in below cases: - When creating simple record and run tests when there is just one or very few tests which correspond to int

State about the data dictionary, State about the Data Dictionary  This...

State about the Data Dictionary  This is another tool of requirement analysis that reduces complexity of DFD. A data dictionary is a catalog of all components of a system. DFD

Explain the term- phased, Explain the term-  Phased In this approach ...

Explain the term-  Phased In this approach only part of the new system is introduced and only when it proves to work satisfactorily is the next part introduced and so on, unti

Explain capability maturity model, CAPABILITY MATURITY MODEL (CMM): CMM is...

CAPABILITY MATURITY MODEL (CMM): CMM is a strategy for recovering the software process, irrespective of the actual life cycle model used.

What are the various elements of data design, What are the various elements...

What are the various elements of data design? i. Data object - The data objects are identified and relationship between various data objects can be shown using ERD or data dict

Data Flow Diagram, I need help creating a DFD for an assignment. Is there a...

I need help creating a DFD for an assignment. Is there anyway you could help?

Three generic phases of software engineering, What are the three generic ph...

What are the three generic phases of software engineering a) Definition, b) development, c) support

Describe briefly the idea behind the gqm paradigm, Problem: (a) Define ...

Problem: (a) Define measurement and briefly summarize the representation condition for measurement. (b)  Software metrics is a term that embraces many activities, all of whi

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