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Glossary of Internet & Computer Terms
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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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desktop publishing- the use of a personal computer to design and produce professional quality printed documents. There are hundreds of software programs available allowing users to typeset and place illustrations and photographs in a wide variety of printed materials from brochures and manuals, to books and posters. Among those highly rated by both home users and individuals in the publishing industry, are Adobe PhotoShop and Adobe PageMaker.
DHCP- (Dynamic Host Configuration Protocol) Software that automatically assigns temporary IP addresses to client stations logging onto an IP network. It eliminates having to manually assign permanent "static" IP addresses. DHCP software runs in servers and routers.
dialog box- a window appearing on the screen offering the user information or options as to the next step in the present application. For example, when setting up the layout for a document in a word processing program, a dialog box is available offering the user options on the size and style of the font, margins, and possibly the color of the text.
dial-up connection- one computer connected to another utilizing a telephone connection and a modem.
digital- information encoded and expressed with the use of binary numbers representing many values in the real world. Digital information is distinguished by the fact that only pre-determined values may be represented using zeros and ones. For example, a digital thermometer would display the temperature using pre-assigned values. On a digital thermometer, the temperature might read 76.2. The next higher reading available might be 76.3. The true temperature,however, could range anywhere between 76.2 and 76.3, such as 76.21, .22, .23 etc. The possible values existing between 76.2 and 76.3 are infinite, but the thermometer, limited by design, can only display pre-set values. Consequently, pinpointing exact values represented by digital data is virtually impossible. Though limited in this way, digital information has many advantages because extremely close approximations are easily achievable. Digital data is also easy to store and manipulate. Opposite of analog.
digital audio- sound recorded and transmitted in a binary format.
digital camera- a camera that encodes images without the use of film and records them directly to a disk or a computer.
digital cash- a system for the payment of goods or services online or otherwise by transmitting encrypted data from one computer to another usually through arrangements with a bank.
digital computer- a machine that expresses data using a system of pre-set values. Digital computer representations can be broken down to simple binary expressions. All modern computers are digital as opposed to analog computers which would express values as individual points on a continuum. A slide-rule would be an analog computer.
digital-to-analog converter- a device that converts digital data into analog signals.
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A few words from Tech Support:
"When you call us to have your computer moved, be sure to leave it buried under half a ton of postcards, baby pictures, stuffed animals, dried flowers, bowling trophies and Popsicle art. We don't have a life, and we find it deeply moving to catch a fleeting glimpse of yours."
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