| Acronym | Meaning |
| PPM | Pages Per Minute |
| EGA | Enhanced Graphics Adapter |
| ECN | Explicit Congestion Notification |
| ADSL | Asymmetric Digital Subscriber Line |
| PPPTP | Point-to-Point Tunneling Protocol |
| OCR | Optical Character Recognition |
| FAQ | Frequently Asked Questions |
| SPIM | Spam Over Instant Messaging |
| DES | Data Encryption Standard |
| SDSL | Symmetric Digital Subscriber Line |