2.5 Input-Processing-Output (I-P-O) Chart
Overview
IPO charts visually represent the Inputs, Process, and Output in tabular form. They are considered a handy tool that software designers use to solve problems.
| Input | Process | Output |
|---|---|---|
| Data entered in the system | Operations that will be applied on the input | Data that has been turned into information |
| Example 1: Computing Rectangle Area | |
|---|---|
| Input: | Length and Width of the rectangle |
| Process: | Area = Length * Width |
| Output: | Area of the rectangle |
| Example 2: Calculate Student's Average | |
|---|---|
| Inputs: | Grade 1, Grade 2, Grade 3 |
| Process: | 1. Sum all grades 2. Divide sum by number of grades |
| Output: | Student grade average |
| Key Points Summary | |
|---|---|
| Purpose | Visually represent the IPO model |
| Usage | Software designers use it to solve problems |
| Input | Data entered into the system |
| Process | Operations applied to the input |
| Output | Resulting information for the user |