Four components of data flow diagrams

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Reference no: EM132833806

Imagine you are a computer warehouse accessory retailer trying to sell your products. Draw a data flow diagram level 1 showing how you would sell these products to retail outlets.  Be sure to follow DFD rules and tips below:

  • Each process should have at least one input and an output.
  • Each data store should have at least one data flow in and one data flow out.
  • Data stored in a system must go through a process.
  • All processes in a DFD go to another process or a data store.

Be sure to also include the four components of data flow diagrams (external entity, process, data store and data flow).

Reference no: EM132833806

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