| Acrónimos de Internet | Acrónimos Sociales |
| ASCII Emoticons | ASCII Code | Netiquette |
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
U
| Término | Significado |
| U SCSI | Ultra SCSI |
| U W SCSI | Ultra Wide SCSI |
| UART | Universal Asynchronous Receiver / Transmitter |
| UBR | Unspecified Bit Rate |
| UCAID | University Corporation for Advanced Internet Development |
| UCB | Unit Control Block |
| UCC | Uniform Code Council |
| UCE | Unsolicited Commercial Email |
| UDDI | Universal Discovery Description Integration |
| UDF | Universal Disk Format |
| UDI | Unrestricted Digital Information |
| UDMA | Ultra Direct Memory Access |
| UDP | User Datagram Protocol |
| UDT | Universal Development Tool |
| UFDA | USB Flash Drive Alliance |
| UHF | Ultra High Frequency |
| UI | User Interface |
| UID | Unique Identification Number |
| UID | User Identification |
| UL | Unordered Lists |
| UL | UpLoad |
| UML | Unified Modeling Language |
| UMS | USB Mass Storage |
| UNI | User Network Interface |
| UNIVAC | UNIVersal Automatic Computer |
| UPC | Universal Product Code |
| UPS | Uninterruptible Power Supply |
| URI | Uniform Resource Identifier |
| URL | Universal Resource Locator |
| URN | Uniform Resource Name |
| USART | Universal Synchronous/Asynchronous Receiver/Transmitter |
| USB | Universal Serial Bus |
| UTC | Coordinated Universal Time / Temp Universel Coordonné |
| UTF | Unicode Transformation Format |
| UV | Ultraviolet |
| UTP | Unshielded Twisted Pair |
| UVGA | Ultra VGA |