| T1 | This is a data transfer system that transfers digital signals at 1.544 megabits per... |
| T3 | What about T2, you ask? For some reason, there just is no such thing. (There was... |
| Tag | On clothes, tags usually indicate the brand, size of the garment, fabrics used, and... |
| Tape Drive | This is a removable storage device mainly used for backing up data. It is similar... |
| Target Disk Mode | Target disk mode is a way of booting a Macintosh computer so that it acts as an... |
| Task Bar | The task bar was introduced with Windows 95 and has been part of every version of... |
| TCP/IP | Stands for "Transmission Control Protocol/Internet Protocol." These two protocols... |
| Tebibyte | A tebibyte is a unit of data storage that equals 2 to the 40th power, or... |
| Technology Services | Technology services are services that make use of modern technology. Examples... |
| Telecommunications | Telecommunications is the transmission of analog or digital signals over a long... |
| Telnet | This is a program that allows you log in to a Unix computer via a text-based... |
| Template | A template is a file that serves as a starting point for a new document. When you... |
| Terabyte | A terabyte is 2 to the 40th power, or 1,099,511,627,776 bytes.
It can be... |
| Teraflops | Teraflops (also TFLOPS) is used to to measure the performance of a computer's... |
| Terminal | The word "terminal" comes from early computer systems that were used to send... |
| Text Editor | A text editor is any word processing program that you can use to type and edit... |
| TFT | Stands for "Thin Film Transistor." These transistors are used in high-quality flat... |
| Thick Client | Thick clients, also called heavy clients, are full-featured computers that are... |
| Thin Client | In the 1950s, minimalism emerged as an popular art movement. In the 1990s... |
| Third Party | Third party software refers to software programs developed by companies other than... |
| Thread | What do a t-shirt and a computer program have in common? They are both composed of... |
| Throughput | Throughput refers to how much data can be transferred from one location to another... |
| Thyristor | A thyristor is a four-layer semiconductor that is often used for handling large... |
| TIFF | Stands for "Tagged Image File Format." It is graphics file format created in the... |
| Tiger | This ferocious cat is the code name for Mac OS X 10.4, released April... |
| Title Bar | A title bar is the section at the top of a window that contains the name or... |
| Token | A token is a group of bits that are transferred between computers on a token-ring... |
| Toolbar | A toolbar is a set of icons or buttons that are part of a software program's... |
| Tooltip | As computer users, we have become accustomed to icons that represent files... |
| Torrent | A torrent is a file sent via the BitTorrent protocol. It can be just about any... |
| Toslink | Toslink is a type of digital audio connection developed by Toshiba Corporation. It... |
| Traceroute | When computers communicate over the Internet, there are often many connections made... |
| Trackback | Trackback is a protocol for notifying websites that other websites have linked to... |
| Trackball | A trackball is an input device that has a ball which is held in a socket and can be... |
| Trash | The Trash is used by Macintosh computers to store deleted items. It serves as a... |
| Trinitron | Trinitron is arguably the best consumer CRT (Cathode Ray Tube) technology... |
| Trojan Horse | In Greek mythology, there is a story about the Trojan War. This war lasted many... |
| Troubleshooting | Troubleshooting is the process or identifying and fixing problems. Computer... |
| Truncate | To truncate something is to shorten it, or cut part of it off. In computer... |
| TTL | Stands for "Time To Live." Pretty intense for a computer term, huh? It refers an... |
| Tunneling | The term "tunneling" probably brings to mind images of digging tunnels underground... |
| Tutorial | A computer tutorial is an interactive software program created as a learning tool... |
| TWAIN | Other than being the last name of the author of "Huckleberry Finn," there are... |
| Tweak | When you modify a certain piece of hardware for better performance, it is often... |
| Tweet | A tweet is an update published by a Twitter user. It is similar to a blog posting... |
| Twitter | Twitter is a service that allows people to stay connected with each other by... |
| Typeface | A typeface is a set of characters of the same design. These characters include... |