"A",
"B",
"C",
"D",
"E",
"F",
"G",
"H",
"I",
"J",
"K",
"L",
"M",
"N",
"O",
"P",
"Q",
"R",
"S",
"T",
"U",
"V",
"W",
"X",
"Y",
"Z"
Previous set of "I" Abbreviations and Acronyms
| IF | - | intermediate frequency |
| I/F | - | interface |
| IFF | - | identification, friend or foe |
| IFRB | - | International Frequency Registration Board [obsolete term] |
| IFS | - | ionospheric forward scatter |
| IGFET | - | Insulated Gate Field Effect Transistor |
| IIR | - | infinite impulse response |
| IITF | - | Information Infrastructure Task Force |
| ILD | - | injection laser diode |
| ILS | - | instrument landing system |
| IM | - | intensity modulation, intermodulation |
| I&M | - | installation and maintenance |
| IMC | - | Intermetallic Compound |
| IMD | - | Intermodulation Distortion |
| IMP | - | interface message processor |
| IMSM | - | Integrated Membrane Switch Modules |
| IN | - | intelligent network |
| INCITS | - | International Committee for Information Technology Standards |
| INFOSEC | - | information systems security |
| InGaN | - | Indium Gallium Nitride |
| INL | - | Integral Non-Linearity |
| INP | - | Indium phosphide |
| INS | - | inertial navigation system |
| INT | - | Interrupt |
| INTELSAT | - | International Telecommunications Satellite Consortium [ITSO] |
| INWATS | - | Inward Wide-Area Telephone Service |
| I/O | - | input/output [device] |
| IOC | - | integrated optical circuit, initial operational capability |
| IOC | - | input-output controller |
Next set of "Ip" Abbreviations and Acronyms
