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🌊 Data Flow Diagram

Also know as DFD

A DFD charts the path of data as it flows outside the boundaries 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
  • External data source or data destination source
  • Processes
  • Data Stores
  • Data flows

Example:​

Contents

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