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arrow rules and flowchart symbols

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					                Flowchart Symbols
Processes    Input/Output       Storage          Miscellaneous

                                              Terminator (start/end)
 Computer      Document
                                    disk



                                Paper file       Off page connector

  Manual        Display




              Batch total      Tape storage
                                                 On page connector
Computer
  entry


                      DFD Symbols
                                                External   Internal
   Process                      Data Store       Entity     Entity
                 Data Flow
          DFD Arrow Rules
 Entity                     Log
   or          Filename     Create
Process                     File (for manual “filing”)




                            Read
 Entity                     Check
   or          Filename     Use
Process                     Verify
                            Access




 Entity                     Update
   or            Filename   Post
Process                     Record
                            Refile (for manual “filing”)

				
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posted:7/30/2012
language:English
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