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What is Data Flow Diagrams and Data Dictionary about?

This document provides information about technical documents used in system analysis and design (SAD), specifically data flow diagrams (DFDs) and data dictionaries. It defines the components of DFDs such as processes, data stores, entities and data flows. It also provides rules for creating DFDs at different levels including context, level 1 and exploded DFDs. The document concludes with a definition and example of a data dictionary which describes the data items in a database.

Author

Mary Eaucel Guan

Language

EN