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Define Data Dictionary.
The data dictionary can be explained as an organized collection of all the data elements of the system with precise and rigorous explanations so that user and system analyst will have a common understanding of inputs, outputs, components of stores and intermediate calculations.
State about the Data Dictionary This is another tool of requirement analysis that reduces complexity of DFD. A data dictionary is a catalog of all components of a system. DFD
what are the basic advantages of using interrput-initiated data transfer over transfer under progrm control without an interrput
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data dictionary diagram for library management system
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