View Discussion Improve Article Save Article View Discussion Improve Article Save Article Data Flow Diagrams are used to represent the flow of data
as well as the processes and functions involved to store, manipulate, and distribute data among various components of the system and between the system and the environment of the system by a specific set of graphical representations. It also depicts the logical flow of information in a system and appropriately defines and determines the physical requirements for the construction of the system. The key features of a Data Flow Diagram involve simplicity of notation as well as generation of a clear
overview of the manual and automated requirements of the system. Level-0 DFD — Online Banking System Explanation :
Level-1 DFD – Online Banking System Processes :
The Level-2 Data Flow Diagram of an Online Banking System is as follows – Level-2 DFD – Account Management System Level-2 DFD Transaction Management System Level-2 DFD Loan Management System Level-2 DFD Loan Management System Hence, a Data Flow Diagram clearly represents the flow of information or data in a system design. |