| Acronym | Meaning |
| CGA | Color Graphics Adapter |
| WCS | World Coordinate System |
| PISO | Parallel-In/Serial-Out |
| BPL | Bits Per Line |
| CD | Carrier Detect |
| EFT | Electronic Funds Transfer |
| PCS | Personal Communications System |
| RISC | Reduced Instruction-Set Computing |
| DTE | Data Termination (Terminal) Equipment |
| CAE | Computer-Aided Engineering |