Tools used for Data Flow Analysis


(1)        Data Flow Diagram : A graphic tool used to describe and analyze the movement of data through the system- manual or automated including the processes, data stores and delays in the system.
(2)        Data Dictionary: The logical characteristics of current systems data stores, including name, description, aliases, contents, and organization.
(3)        Data Structure Diagram: A pictorial description of the relation between entities (people, places, events and things) in a system and the set of information about the entity.
(4)        Structure Chart : A design tool that pictorially shows the relation between processing modules in computer software.

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