| Acronym | Meaning |
| SMS | Short Message Service |
| SMTP | Simple Mail Transfer Protocol |
| SNMP | Simple Network Management Protocol |
| SO-DIMM | Small Outline Dual In-Line Memory Module |
| SOA | Service Oriented Architecture |
| SOAP | Simple Object Access Protocol |
| SQL | Structured Query Language |
| SRAM | Static Random Access Memory |
| SRGB | Standard Red Green Blue |
| SSH | Secure Shell |
| SSID | Service Set Identifier |
| SSL | Secure Sockets Layer |
| TCP/IP | Transmission Control Protocol/Internet Protocol |
| TFT | Thin-Film Transistor |
| TIFF | Tagged Image File Format; Image Format |
| TTL | Time To Live (DNS) |
| TWAIN | Toolkit Without An Informative Name |
| UDDI | Universal Description Discovery And Integration |
| UDP | User Datagram Protocol |
| UML | Unified Modeling Language |
| UNC | Universal Naming Convention |
| UPNP | Universal Plug And Play |
| UPS | Uninterruptible Power Supply |
| URI | Uniform Resource Identifier |
| URL | Uniform Resource Locator |
| USB | Universal Serial Bus |
| VCI | Virtual Channel Identifier |
| VESA | Video Electronics Standards Association |
| VFAT | Virtual File Allocation Table |
| VGA | Video Graphics Array |
| VLB | VESA Local Bus |
| VLE | Virtual Learning Environment |
| VOIP | Voice Over Internet Protocol |
| VPI | Virtual Path Identifier |
| VPN | Virtual Private Network |
| VPS | Virtual Private Server |
| VRAM | Video Random Access Memory |
| VRML | Virtual Reality Modeling Language |
| WAIS | Wide Area Information Server |
| WAN | Wide Area Network |
| WEP | Wired Equivalent Privacy |
| WI-FI | Wireless Fidelity |
| WPA | Wi-Fi Protected Access |
| WWW | World Wide Web |
| XHTML | Extensible Hypertext Markup Language |
| XML | Extensible Markup Language |
| XSLT | Extensible Style Sheet Language Transformation |
| Y2K | Year 2000 |
| ZIF | Zero Insertion Force |