| Acronym | Meaning |
| RTF | Rich Text Format |
| AVI | Audio/Video Interleaved Format |
| DPMI | DOS Protected Mode Interface |
| KB | Kilobyte |
| PIM | Personal Information Manager |
| ARM | Advanced RISC Machines Ltd |
| SDH | Synchronous Digital Hierarchy |
| FPU | Floating-Point Unit |
| FIF | Fractal Image Format |
| DDOS | Distributed Denial-of-Service |