It is FALSE to state that when a Data Flow Diagram (DFD) is exploded, the higher-level diagram is called the child diagram. (Option B)
A data-flow diagram depicts the movement of data through a process or system. The DFD also contains information on each entity's and the process's outputs and inputs. There is no control flow in a data-flow diagram; there are no decision rules or loops.
A data flow diagram depicts the processing of data inside a system that relies on inputs and outputs. The flow of data, data sources and termini, and where data is kept are all shown visually. Data flow diagrams are frequently used as the initial stage in redesigning a system.
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