| Abbreviation | Definition |
|---|---|
| INSW | Input Word String From Port |
| INT | INTeger data type |
| INTO | Interrupt on Overflow |
| INW | INvalidate Warranty |
| IOB | Index Out of Bounds |
| IODC | Input/Output-Dependent Code |
| IODR | Input/Output Data Register |
| IP | Instructional Pointer |
| IPC | Instructions Per Clock |
| IPE | Integrated Parameter Edit |
| IPI | Inter Processor Interrupt |
| IPL | Initial Primary Loader |
| IPM | Ignore Programmer's Mistakes |
| IPOP | Interrupt Processor, Order Pizza |
| IPP | Integrated Performance Primitives |
| IPR | Invalid Program Reference |
| IPS | Incinerate Power Supply |
| IPT | Ignite Paper Tape |
| IR | Insert Relation |
| IR | Instruction Register |