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  1. DFDs are to describe the way data moves from a subsystem to another, so what you need to do is to define the subsystems of the whole project and then you can build the relations between them by defining the type of data exchanged.

    3 Answers · Computers & Internet · 31/07/2006

  2. As far as im concerned they are just two different ways of modeling a program, there are more details in UML (or ways to model the program) but beyond that they are both good.

    2 Answers · Computers & Internet · 24/03/2007

  3. DFDs show the flow of data from external entities into the system, showed how the data moved from one process to another, as well as its logical storage Where as The ERD, which represents the entity model, shows what the database or system will...

    3 Answers · Computers & Internet · 24/08/2008

  4. what is the question? Have you ever played nibbles with QBasic back with windows 3.1? Its very similar to snake. Anyways, if you can read basic, here is a link to nibbles. You could probably change the code to C. http...

    3 Answers · Computers & Internet · 17/02/2008

  5. Hi, Agile is all about adding value and not prescribing particular tool. You can use any data modeling tools that makes sense to you, your team and your organization.

    2 Answers · Computers & Internet · 04/09/2012

  6. This sounds like a question for a class you are taking. It is reasonable to use whatever the professor instructed you to use. Any other answer we give you is wrong and will cost you a grade point or two.

    3 Answers · Computers & Internet · 06/07/2009

  7. 4 ... External entity, processes, flow of data and storage of data ... But it depends a lot on the details ...

    1 Answers · Computers & Internet · 06/04/2007

  8. Data Flow Diagrams guide: http://www.threesl.com/pages/reference/diagrams/data-flow-diagram.php

    1 Answers · Computers & Internet · 18/04/2013

  9. Data flow diagram speaks of a high level system overview. say we have an Enrollment System. 2 entities that have a M-M relationship includes the Subject and the Students. A SUBJECT is...

    1 Answers · Computers & Internet · 18/05/2008

  10. railway information system contains information about all trains and it schedules train tickets ,etc You can find a freelancers to write the flowchart for you at http://expert.myitcareer.org/

    1 Answers · Computers & Internet · 29/03/2007

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