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Summary - Coggle Diagram
Summary
Benefits of Context Diagram
Shows the scope and boundaries of a system at a glance
The next level of decomposition from Level 0 DFD
Easy to draw and amend due to its limited notation
Easy to expand by adding different levels of DFD
Can benefit a wide audience: stakeholders, business & data analysts, developers
Do you know about Level 1 DFD?
conversion process
main function
break down
data enter
What is Data Flow Diagram (DFD)
Graphical visualization of movement of data through information system
Shows the kind of information that will be input to and output from processes as well as where the data will be stored.
Type of Data Flow Diagram (DFD)
Physical Data Flow Diagram
Way of system to be implemneted
Logical Data Flow Diagram
Highlight for system and what will be accomplisheded
The representation of symbol and meaning in DFD
What about Level 2 DFD?
