| Acronym | Meaning |
| PMS | Pantone Matching System |
| MICR | Magnetic Ink Character Recognition (Reader) |
| SOHO | Small Office/Home Office |
| TTL | Transistor-Transistor Logic |
| CA | Certificate Authority |
| PDL | Page Description Language |
| TDM | Time Division Multiplexing |
| HPFS | High Performance File System |
| DWDM | Dense Wave Division Multiplexing |
| OMG | Object Management Group |