Glossary

Tape drive Tape storage device that uses magnetic tape as its medium, similar in concept to audio cassettes. Data is recorded in a serial fashion along the tape.  Random access is very slow and therefore its main use is for back purposes.
Task Switching The process of rapidly switching between processes.  This is an integral part of being able to build multi-user, multi-tasking systems.
TCP/IP Acronym for "Transmission Control Protocol/Internet Protocol". It refers to the protocols used to connect computers via the Internet. TCP/IP is supported by pretty much all networks, and is essentially the standard for communication protocols in today's enterprise environment. How do these two things work together? In a nutshell: the TCP part of the partnership assembles and sends packets of data. The IP part is responsible for the address and destination, so the packet(s) get to where they need to be.
Template A pre-designed document layout that can be used to create new documents with the same design.
Terabyte A quadrillion bytes, or 1,000 gigabytes (that's 2 to the 40th power bytes).
Text Box A rectangular box with a dialogue box into which you can type the information to complete an action or enter data. A text box may be blank when it first appears, or it may contain some text.
TFT Thin Film Transistor. Technology used in conjunction with LCD and is becoming more increasingly used in devices such as laptops. The advantage of this technology over standard LCD is the quality of the display and colours.
Thermal printer A non-impact printer where characters are created by the direct application of heated components to heat sensitive paper to burst impregnated bubbles of ink or by melting ink from a ribbon onto plain paper. Commonly used in fax machines.
Throughput A measure of productivity and efficiency of a computer system. It generally refers to the total volume of work performed by a computer in a given period of time.
Thumbnail A smaller version of a larger graphic, typically used on Web pages to make them load faster.
Time-out An expression used to indicate that a computer system or peripheral device has not responded within a certain time frame, usually because the device has malfunctioned or is not operating at all.
Title Bar A part of a program's window or dialogue box that respectively shows the name of the program (and possibly other information like the name of the open file) or the name of the dialogue box. The title bar for the current active (or selected) window or dialogue box will be a different colour or intensity than the title bar for an inactive window.
Toggle To select or deselect an option using the same control or action. Usually by means of a check box or menu option.
Token A "token" is part of a network security scheme in which a small electronic card--the token--must be slipped into a slot added to a computer before that computer can access the network. Some tokens contain static password and access information; others generate a new password every time they're inserted in the computer.
Traceroute A program that literally traces the route from your computer to a certain Web site, showing you all the hops the trip takes. Once you establish an Internet connection, you can run traceroute from a DOS prompt: Just type "tracert" (sans quotes) followed by a space and the Web site address (eg. tracert www.idg.com) and press Enter.
Trolling A newsgroup term that defines the action of a person who posts a message which is created only for enticing a response from other users. Trolling is not looked upon very favourably.
TSR Acronym for Terminate-and-Stay-Resident. It is a program that loads itself into memory the first time you run it and remains there until you turn your computer off or restart it.
Turn-around Time The period of time between the submission of a job to a computer and the return of the results to the user.
Twain Twain is a driver lets you scan an image directly from your scanner into an application (eg. Adobe PhotoShop). Without it, you would have to open a program to retrieve the image, then open another program to work on it.
Tweening In animation, the process of generating intermediate frames between two images to create the appearance of one image evolving smoothly into another.
Twips Unit of measure used in Microsoft Access. You can use the following information to help convert a unit of measure to twips:
- 1 inch equals 1440 twips
- 1 centimeter equals 567 twips
- 1 font point equals 20 twips

 


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This page was last updated on Sunday, 14 December 2008