Systems Flowcharts

Systems Flowcharts

1. What do they show?

   • How data flows between devices in a system
   • The decisions that need to be made
   • The different types of input and output data

2. Decisions

   • Represented with a diamond
   • They show different responses to different data inputs

3. Flow of data

   • Represented with directional arrows
   • Shows the directionof flow of data between output and input devices

4. Actions/processes

   • Represented with a rectangle
   • Shows how different data is processed into information by different devices