| Abbreviation | Definition |
|---|---|
| IKT | Individual Keyswitch Technology |
| iLO | Integrated Lights Out |
| IM | IntelliMouse |
| IMA | Intelligent Machine Architecture |
| iMac | Internet MacIntosh |
| IMAR | Instruction Memory Address Register |
| IMB | Input Memory Buffer |
| IMB | Inter-Module Bus |
| IMBF | Intelligent Multi-Bin Feeder |
| IMCAS | Interactive Man/Computer Augmentation System |
| IML | Integrated Management Log |
| IMM | In-line Memory Module |
| IMMR | Internal Memory Map Register |
| IMSA | Interactive Multimedia System for Automobiles |
| IND | INDicator |
| INRW | INtegrated Read and Write |
| INTA | INTerrupt Acknowledgement |
| INTR | INTerrupt Request |
| IOA | Input/Output Assembly |
| IOC | Input/Output Comparator |