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 ...

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 ...

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).