| U |
U is the standard unit of measurement for rack-mounted equipment. Racks can be used to house servers, hard drives... |
| UDDI |
Stands for "Universal Description Discovery and Integration." UDDI is a protocol that allows businesses to promote... |
| UDP |
Stands for "User Datagram Protocol." It is part of the TCP/IP suite of protocols used for data transferring. UDP is a... |
| Ultra DMA |
This technology for transferring data between a computer's hard disk and memory was developed by Quantum and Intel... |
| UML |
Stands for "Unified Modeling Language." This is a programming language that is used for object-oriented software... |
| UNC |
Stands for "Universal Naming Convention," not just the home of the North Carolina Tar Heels. UNC is a filename format... |
| Undo |
The Undo command is located in the Edit menu of most programs and has the shortcut "Ctrl+Z" (PC) or "Cmd-Z" (Mac). It... |
| Unfriend |
When you unfriend a user, your remove that person from your list of friends on a social networking website, such as... |
| Unix |
Also known as UNIX, though the letters do not stand for anything. The Unix operating system was first created in Bell... |
| Unmount |
Unmounting a disk makes it inaccessible by the computer. Of course, in order for a disk to be unmounted, it must first... |
| Upload |
While downloading is receiving a file from another computer, uploading is the exact opposite. It is sending a file... |
| UPnP |
Stands for "Universal Plug and Play." Plug and Play describes devices that work with a computer system as soon as they... |
| UPS |
Stands for "Uninterruptible Power Supply." In the technology world, UPS is more than just a brown shipping company... |
| URI |
Stands for "Uniform Resource Identifier." A URI identifies the name and location of a file or resource in a uniform... |
| URL |
Stands for "Uniform Resource Locator." A URL is the address of a specific Web site or file on the Internet. It cannot... |
| USB |
Stands for "Universal Serial Bus." USB is the most common type of computer port used in today's computers. It can be... |
| User Interface |
A user interface is the means in which a user controls a software program or hardware device. For example, a software... |
| Username |
A username is a name that uniquely identifies someone on a computer system. For example, a computer may be setup with... |
| Utility |
Utility programs, commonly referred to as just "utilities," are software programs that add functionality to your... |
