Computer Glossary, Computer Terms - Technology Definitions and Cheat Sheets from Whatis.com - The Tech Dictionary and IT Encyclopedia

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  • bi-level image

    A bi-level image is a computer image in which each pixel (picture element) is represented by only one bit, which can be either ...

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    • pixel

      The pixel (a word invented from "picture element") is the basic unit of programmable color on a computer display or in a comput...

    • charge-coupled device (CCD)

      A charge-coupled device (CCD) is a light-sensitive integrated circuit that stores and displays the data for an image in such a ...

    • Quiz: Laptops

      A quiz about laptop computers: This technology is used in the liquid crystal displays of notebook and laptop computers to provi...

  • ATV (advanced television)

    ATV (Advanced Television) is the name given by the U.S. Federal Communications Commission to digital TV (DTV).

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    • Fast Guide to DTV

      This compact page describes digital television and provides a guide to the various U.S. and European standards for transmitting...

    • tru2way

      Tru2way is the trade name for a technology that facilitates interactive TV and the convergence of digital television (DTV) with...

    • Learning Path: Television and Cable TV

      This pages provides a learning path that uses a sequence of definitions from whatis.com to introduce and explain television and...

  • tap

    On a handheld device, a tap is the equivalent of a mouse click on a personal computer, used to select options and to interact w...

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  • G.722

    G.722 is a standard for high-quality digital voice communications that is expected to lead to increased use in Voice over Inte...

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  • G.729

    G.729 is a standard for Internet Protocol (IP) private branch exchange (PBX) vendors, as well as for the public switched teleph...

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  • short message

    A short message is a brief text message sent to or from a mobile phone subscriber through the Short Message Service (SMS).

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  • DLT (digital linear tape)

    DLT (digital linear tape) is a form of magnetic tape and drive system used for computer data storage and archiving.

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  • Super Audio CD (SACD)

    Super Audio Compact Disk (SACD) is a high-resolution audio CD format.

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  • entropy

    Entropy describes a process in which order deteriorates with the passage of time.

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  • columnstore index

    A columnstore index is a type of index used to store, manage and retrieve data stored in a columnar format in a database.

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