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Posted byIndika
Data Flow Diagram (DFD) vs UML A graphical representation of how the data flows through a system is called a Data Flow Diagram (DFD). Developing a DFD is one of the first steps carried out when developing an information system. UML (Unified Modeling Language) is a modeling language used in object oriented software design. When […]
Posted byOlivia
Physical DFD vs Logical DFD To understand the differences between a physical and logical DFD, we need to know what DFD is. A DFD stands for data flow diagram and it helps in representing graphically the flow of data in an organization, particularly its information system. A DFD enables a user to know where information […]
Posted byOlivia
ERD vs DFD ERD and DFD are data presentation models that help in identifying the flow of data as well as inputs and outputs. They are important as they enable effective communication between members of different departments in an organization. There are similarities in the two types of data presentation models although there are differences […]
Posted byOlivia
Flowchart vs Data Flow Diagram (DFD) The terms flowchart and data flow diagram (DFD) are related to software engineering describing the path of process or data step by step. Although flow chart is used in almost all the fields of education and engineering data flow diagram is mainly used is the software industry. Both the […]