Select the first letter of the word from the list above to jump to appropriate section of the glossary or type the term on which you want to search.

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transparent

1. unable to be seen or noticed. In software applications, functions that automatically happen without the user being aware of them are said to be transparent.
2. in paint and graphics applications, to make transparent means to take an image and eliminate its background so it can be placed in a new field without any trace of the old background.

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Trash

the folder in the Macintosh where deleted files are kept until they are permanently cleared or restored. The Trash bin in the Mac is the equivalent to the Recycle bin in the Windows operating system.

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tree

a data storage structure where new items are attached to elements below them. The first item in the structure is the root. The connections are called branches. see dir, directory, root directory, hierarchical.

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Trojan horse

a program downloaded from the Internet that contains destructive elements to a computer. Unlike a true virus, the Trojan horse does not replicate itself, it simply erases the users hard drive. A Trojan horse can come disguised as a useful application such as a game or even a virus protection program. The name is taken from Greek mythology, where the Greeks gifted their Trojan enemies, a large wooden horse as a peace offering. Once inside the city of Troy, Greek soldiers, who were hiding inside the hollow horse, opened the gates to the city allowing fellow soldiers to invade.

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troll

sometimes referred to as flame bait, a message posted to any number of public chat or bulletin board forums that is designed to prompt a large number of responses. Often the message is a complete exaggeration, lie, or insult. One might be said to be “trolling” for a particular type of response.

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tron

to communicate online and not through more conventional means such as telephone or face-to-face.

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true color

a graphics application using at least 24 bits for each pixel of color. True color applications are able to display more than 16 million colors.

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TrueType

developed as a joint venture between Apple and Microsoft in 1991, an outline font included in both company’s operating software that has become a standard of sorts for everyday home computing.

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truncate

to shorten something. In programming languages, (especially when disk storage space was at a premium) there would not always be room to enter an entire character string, so there was a need to shorten it. For example, the number 45.070921 becomes 45.

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tune

to clean up hard disk space by deleting old files and otherwise run applications that improve the speed and efficiency of a computer. Running a defragmentation utility would be one method of tuning a computer.