| Acronym | Meaning |
| AIFF-C | Audio Interchange File Format |
| DIZ | Description In ZIP |
| SYSOP | System Operator |
| BCC | Block Check Character |
| MRC | Magneto-Resistive Cluster |
| FDM | Frequency Division Multiplexing |
| CWR | Congestion Window Reduced |
| CPE | Customer Premises Equipment |
| UCITA | Uniform Computer Information Transaction Act |
| DOS | Disk Operating System |