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Examen
Modern Systems Analysis and Design Chapter 7-9 || All Questions Answered Correctly.
Data flow diagram (DFD) correct answers A picture of the movement of data between external entities and the processes and data stores within a system. 
 
Data store correct answers Data at rest, which may take form of many different physical representations. 
 
Process correct answers The work or actions performed on data so that they are transformed, stored, or distributed 
 
Source/sink correct answers The origin and/or destination of data; sometimes referred to as external entitiies 
 
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