🌊 Data Flow Diagram
Also known as DFD
A DFD charts the oath of data as it flows outside the boundries of a system.
Pros#
- Beneficial for communicating existing system knowledge to the users.
- A straightforward graphical technique which is easy to recognise.
- DFD's can provide a detailed experience representation of system components.
- Provides detailed information about the system flow
Cons#
- Takes a long time to create
- Physical considerations are left out
Symbols#
External data source or destination source
Process
Data stores
Data flows
Example#
