Reminder: DFD arrows represents the direction of the data-flow, NOT the direction of network/application communication (communication can have multiple steps, go back/forth with different intervals).

Image: Tada Images/Adobe Stock. When Microsoft first acquired Visio back in 2000, it was a general-purpose diagramming tool for drawing flow charts, floor plans, org charts, mind maps and network ...

In the current digital technology age in education, using tools as learning aids to develop software for teaching is essential. There is a variety of software design tools, such as Data Flow Diagram ...