| Abbreviation | Definition |
|---|---|
| ICS | Integrated Control System |
| ICSS | Integrated Control and Safety System |
| ICT | Interconnected Computer Terminal |
| ICU | Input Capture Unit |
| ID | Intelligent Device |
| IDA | Intelligent Drive Array |
| IDB0 | I/O Data Buffer register 0 |
| IDB1 | I/O Data Buffer register 1 |
| IDCK | Input Data ClocK |
| IDCL | Inter-Domain Connector Loop |
| IDCU | Integrated Data Collection Unit |
| IDCU | Integrated Digital Carrier Unit |
| IDCU | Integrated Display Computer Unit |
| IDCY | Idle Cycle |
| IDD | Interface Design Description |
| IDE | Integrated Drive Electronics |
| IDES | Internet Demonstration and Evaluation System |
| IDIOT | Integrated Digital Input/Output Transmitter |
| IDP | Interactive Design and Prototyping |
| iDRAC | Integrated Dell Remote Access Controller |