5.3-2 DFD's Flashcards
1
Q
DFD
A
Most popular tool used in systems design
Illustrates the flow of data through a set of procedures and shows the work performed by the workers
2
Q
Physical DFD
A
How the current procedures/systems operator
ie. a filing cabinet
Specific source document
Who or what does the processing
Temp storage
3
Q
Logical DFD
A
How the data flows, regardless of the physical implementation
The process
The data flowing to the next process
