PC.netPC.net

The PC Glossary

Definitions of Computer and Internet Terms

Computer Terms Beginning with "T"

T1 This is a data transfer system that transfers digital signals at 1.544 megabits per second (quite a bit faster than a...
T3 What about T2, you ask? For some reason, there just is no such thing. (There was probably some legal dispute about it...
Tablet A tablet is a flat, portable computer with a touchscreen interface. Early tablets required a stylus or light pen, but...
Tag On clothes, tags usually indicate the brand, size of the garment, fabrics used, and the washing instructions. In Web...
Tape Drive This is a removable storage device mainly used for backing up data. It is similar to a Zip Drive, but instead of Zip...
Target Disk Mode Target disk mode is a way of booting a Macintosh computer so that it acts as an external hard drive on another...
Task Bar The task bar was introduced with Windows 95 and has been part of every version of Windows since then. It is the bar...
TCP/IP Stands for "Transmission Control Protocol/Internet Protocol." These two protocols were developed in the early days of...
Tebibyte A tebibyte is a unit of data storage that equals 2 to the 40th power, or 1,099,511,627,776 bytes. While a terabyte...
Technology Services Technology services are services that make use of modern technology. Examples include Internet service providers...
Telecommunications Telecommunications is the transmission of analog or digital signals over a long distance. This includes telephone...
Telnet This is a program that allows you log in to a Unix computer via a text-based interface. If you have an account on a...
Template A template is a file that serves as a starting point for a new document. When you open a template, it is pre-formatted...
Terabyte A terabyte is 2 to the 40th power, or 1,099,511,627,776 bytes. It can be estimated as 10 to the 12th power, or...
Teraflops Teraflops (also TFLOPS) is used to measure the performance of a computer's floating point unit (FPU). One teraflops...
Terminal The word "terminal" comes from early computer systems that were used to send commands to other computers. Terminals...
Text Editor A text editor is any word processing program that you can use to type and edit text. Hey, they don't call it a text...
TFT Stands for "Thin Film Transistor." These transistors are used in high-quality flat panel liquid-crystal displays...
Thick Client Thick clients, also called heavy clients, are full-featured computers that are connected to a network. Unlike thin...
Thin Client In the 1950s, minimalism emerged as an popular art movement. In the 1990s, minimalism emerged again as a popular...
Third Party Third party software refers to software programs developed by companies other than the (operating system|...
Thread What do a t-shirt and a computer program have in common? They are both composed of many threads! While the threads in...
Throughput Throughput refers to how much data can be transferred from one location to another in a given amount of time. It is...
Thumbnail A thumbnail is the nail on your thumb. If you look at your thumbnail, you will notice it is rather small in size...
Thunderbolt Thunderbolt is an (I/O|io) technology based on PCI Express that is used to transfer data and connect displays. It was...
Thyristor A thyristor is a four-layer semiconductor that is often used for handling large amounts of power. While a thyristor...
TIFF Stands for "Tagged Image File Format." It is graphics file format created in the 1980's to be the standard image...
Tiger This ferocious cat is the code name for Mac OS X 10.4, released April 29, 2005. Tiger follows a list of other felines...
Title Bar A title bar is the section at the top of a window that contains the name or description of the window. Nearly all...
Toggle Key A toggle key is used to alternate the input mode of a group of keys on a keyboard. Some examples include Caps Lock...
Token A token is a group of bits that are transferred between computers on a token-ring network. Whichever computer has the...
Toolbar A toolbar is a set of icons or buttons that are part of a software program's interface or an open window. When it is...
Tooltip As computer users, we have become accustomed to icons that represent files, folders, programs, and other objects on the...
Torrent A torrent is a file sent via the BitTorrent protocol. It can be just about any type of file, such as a movie, song...
Toslink Toslink is a type of digital audio connection developed by Toshiba Corporation. It uses a fiber optic cable to...
Traceroute When computers communicate over the Internet, there are often many connections made along the way. This is because the...
Trackback Trackback is a protocol for notifying websites that other websites have linked to it. When a trackback link is added...
Trackball A trackball is an input device that has a ball which is held in a socket and can be rolled in any direction. Most...
Trash The Trash is used by Macintosh computers to store deleted items. It serves as a safety net, which provides an extra...
Trinitron Trinitron is arguably the best consumer CRT (Cathode Ray Tube) technology available. The technology was developed by...
Trojan Horse In Greek mythology, there is a story about the Trojan War. This war lasted many years, as the Greeks could not...
Troll In Internet terminology, a troll is a person who posts offensive or off-topic comments online. These comments are...
Troubleshooting Troubleshooting is the process or identifying and fixing problems. Computer troubleshooting may involve hardware or...
Truncate To truncate something is to shorten it, or cut part of it off. In computer science, the term is often used in...
TTL Stands for "Time To Live." Pretty intense for a computer term, huh? It refers an aspect of the Internet Protocol...
Tunneling The term "tunneling" probably brings to mind images of digging tunnels underground, perhaps for a subway system, or for...
Tutorial A computer tutorial is an interactive software program created as a learning tool. Tutorials help people learn new...
TWAIN Other than being the last name of the author of "Huckleberry Finn," there are numerous other ideas concerning the...
Tweak When you modify a certain piece of hardware for better performance, it is often referred to as "tweaking" it...
Tweet A tweet is an update published by a Twitter user. It is similar to a blog posting, but cannot be longer than...
Twitter Twitter is a service that allows people to stay connected with each other by answering the basic question, "What are...
Typeface A typeface is a set of characters of the same design. These characters include letters, numbers, punctuation marks...

T

space