Which diagrams illustrate the flow of data into, through, and out of a process?

The Input Process Output (IPO) diagrams effectively illustrate the flow of data into, through, and out of a process. These diagrams provide a straightforward representation, showing how input is transformed into output through a defined process.

In an IPO diagram, the input represents the raw data or resources entering the process, which are then processed to yield an output. This visualization helps in understanding the relationship between the initial input, the processing actions, and the final output, making it easier to analyze processes in various contexts.

While other types of diagrams, such as flowcharts and data flow diagrams, can also depict processes and data flow, IPO diagrams specifically focus on the three components—input, process, and output—clearly delineating each stage of the processing flow. This focus on the transformation of input data to output through identifiable steps makes the IPO diagram particularly significant for understanding the flow of data within systems.