| Acronym | Meaning |
| LCD | Liquid-Crystal Display |
| PHB | Photochemical Hole Burning |
| DIF | Directory Interchange Format |
| PISO | Parallel-In/Serial-Out |
| DSOM | Distributed System Object Model |
| RARP | Reverse Address Resolution Protocol |
| XSL | Extensible Style Language |
| FAHQT | Fully Automatic High-Quality Translation |
| PGM | Pragmatic General Multicast / Pretty Good Multicast |
| MICR | Magnetic Ink Character Recognition (Reader) |