| Abbreviation | Definition |
|---|---|
| INCCA | International Network of Centers for Computer Applications |
| INCO | Installation and Check Out |
| INDST | industry |
| ING | ING's Not GPL |
| INKML | ink markup lnguage |
| INTEL | Intelligent |
| IO | Instance Of |
| IOC | Inversion Of Control |
| IOCA | Image Object Content Architecture |
| IOCC | International Obfuscated C Code Contest |
| IOCCC | International Obfuscated C Code Contest |
| IOCE | Integrated Outpatient Code Editor |
| IOCR | Intelligent Optical Character Recognition |
| IOCW | Input/Output Control Word |
| IODD | Input/Output Data Dump |
| IODG | Input/Output Dependence Graph |
| IODH | Initialization On-Demand Holder |
| IODM | ImagePlus Object Distribution Manager |
| IODT | Integrated Ontology Development Toolkit |
| IOM | Installation and Operation Manual |