How do you determine requirements for a flowchart
Answers
Answer:
A logical data flow diagram shows a system's activities while a physical data flow diagram shows a system's infrastructure. A data flow diagram can be designed early in the requirement elicitation process of the analysis phase within the SDLC (System Development Life Cycle) to define the project scope.
Answer:
Data flow diagrams are categorized as either logical or physical. A logical data flow diagram focuses on the business and how the business operates
Explanation:
Data Flow Diagram (DFD) is a graphical representation of data flow in any system. It is capable of illustrating incoming data flow, outgoing data flow and store data. Data flow diagram describes anything about how data flows through the system.
Sometimes people get confused between data flow diagram and flowchart. There is a major difference between data flow diagram and flowchart. The flowchart illustrates flow of control in program modules. Data flow diagrams illustrate flow of data in the system at various levels. Data flow diagram does not have any control or branch elements.
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