Differences Between Data Flow Diagrams & Flowcharts

4 Feb

Both Data Flow Diagrams (DFD) and Flowcharts are used in describing, step by step, the path of a process or data. Both diagrams are used to make it easier to understand the way a process is taking place or data is being processed.


Flowcharts are used to break down a complex process into simple steps (denoted by different boxes) that are connected by arrows. It starts at the beginning of the process and follows each step through the process until the end. Flowcharts can also show how to deal with problems that may occur during the process.

Simple Flowchart:


Data Flow Diagrams:

A DFD shows how data flows through a system which is processed as well. The flow of the data from an external or internal source as well as where the data will end up is shown in a DFD.

Simple Data Flow Diagram:


Flowchart vs Data Flow Diagrams:

The slide below outlines the main differences between Flowcharts and DFDs:






7 Responses to “Differences Between Data Flow Diagrams & Flowcharts”

  1. sad111482208 February 4, 2013 at 3:12 pm #

    Really good 🙂 liked your use of simple diagrams to explain it

  2. sad112759089 February 4, 2013 at 3:33 pm #

    The Diagrams & Flowcharts really backup the information.

  3. sad111739211 February 4, 2013 at 3:43 pm #

    The comparison between the flowcharts and dfd’s is very helpful!

  4. sad109566511 February 4, 2013 at 7:02 pm #

    Very informative,really helps to understand the differences 🙂

  5. sad111350151 February 4, 2013 at 8:57 pm #

    Really informative and easy to understand, great use of diagrams:)

  6. sad111468572 February 4, 2013 at 11:00 pm #

    The graphs made it very clear 🙂

  7. sad109417338 February 6, 2013 at 7:32 pm #


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