| Acronym | Meaning |
| TTL | Transistor-Transistor Logic |
| MEMS | MicroElectro-Mechanical System |
| AMPS | Advanced Mobile Phone System |
| GSM | Global System For Mobiles |
| DHCP | Dynamic Host Configuration Protocol |
| DSLAM | Digital Subscriber Line Access Multiplexer (Module) |
| QOS | Quality Of Service |
| CCITT | Consultative Committee For International Telephony And Telegraphy |
| FDHD | Floppy Drive, High Density |
| PIC | Programmable Interrupt Controller |