| Acronym | Meaning |
| PNG | Portable Network Graphics; Image Format |
| CERT | The CERT Coordination Center |
| ISDN | Integrated Services Digital Network |
| ISAM | Indexed Sequential Access Method |
| IDE | Intelligent (Integrated) Drive Electronics |
| MMU | Memory Management Unit |
| ICANN | The Internet Corporation For Assigned Names And Numbers |
| UNC | Universal Naming Convention |
| MAU | Multistation Access Unit |
| DSP | Digital Signal Processor |