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context diagram - Coggle Diagram
context diagram
representation of symbol and meaning
process (circle)
external entiti (rectangle)
Data store (two horizontal parelel line)
data flow (curve or straight line with arrowhead)
DFD symblos
Process
External Entiti
Data Flow
Data Store
Benefit
easy to draw
easy to expand by adding different level
show the scope and boundaries of a system at aglance
the next level of decomposition from level 0 DFD
level DFD
level 0 DFD
level 1 DFD
level 2 DFD
indicate system under consideration
