| Acronym | Meaning |
| EBCDIC | Extended Binary Coded Decimal Interchange Code |
| PHB | Photochemical Hole Burning |
| ULTRAATA | Ultra AT Attachment |
| CWR | Congestion Window Reduced |
| DLT | Digital Linear Tape |
| GIF | Graphical Interchange Format |
| HDD | Hard Disk Drive |
| TTL | Transistor-Transistor Logic |
| GIMP | General (GNU) Image Manipulation Program |
| ROFL | Rolling On Floor, Laughing |