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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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DAC
- see Digital-to-Analog Converter.
daemon
- a Unix program that is continuously running in the background performing specified functions in response to particular prompts.
daisy-chain
- the sequential connection of hardware devices with cables.
dash
- a punctuation mark similar to a hyphen but longer. Dash ( — ) Hyphen ( - )
data
- information. Though the word data represents the plural, in common usage it may indicate either the singular or plural.
data communication
- the delivery of information from one computer to another. For this transfer to take place, the components of the communication must conform to certain conditions. For example, the data you receive via the Internet must be converted to a usable form by your Web browser, usually HTML.
data compression
- the storage of data so that it requires less space than it might otherwise. There are many methods of data compression. For example, rather than write a string of 60 of the same characters, a programmer would write, “the following character is repeated 60 times.” Data compression is especially useful when transmitting graphics via a modem because it allows the image to load more quickly.
data entry
- the process of either an individual or a machine entering information into a computer or database.
data mining
- data mining uses complex algorithms to search large amounts of data and find patterns, correlations, and trends in that data. A data-mining application can create a model that can identify buying habits, shopping trends, credit card purchases as well as perform many non-commercial functions.
data processing
- usually a reference to software that enters, sorts, categorizes and stores information for easy recall.
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A few words from Tech Support:
"When you call a tech's direct line, press 5 to skip the bilingual greeting that says he's out of town for a week, record your message and wait exactly 24 hours before you send an email straight to the director because no one ever returned your call. After all, you're entitled to common courtesy."
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