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Haleyharris1 Haleyharris1
wrote...
Posts: 354
6 years ago
What are the four basic symbols used in data flow diagrams.
Textbook 
Systems Analysis and Design

Systems Analysis and Design


Edition: 10th
Author:
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wrote...
6 years ago
 A double square is used to depict an external entity.  An arrow shows movement of data.  A rectangle with rounded corners is used to show the occurrence of a transforming process.  An open ended rectangle is used to represent a data store.
Haleyharris1 Author
wrote...
6 years ago
Ready for finals now Monkey
wrote...
6 years ago
Good luck my friend!
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