GSM - Global System for Mobile Communication: A wireless network system widely used in Europe, Asia and Australia. GSM is beginning to be used more widely in the United States.

XML - EXtensible Markup Language. A web page formatting tool that is used to create web pages as well as develop Palm computing applications.

Doc - Document. Usually referred to when discussing electronic documents. See also E-text.

PDA - personal digital assistant. A generic term which could apply to Pocket PCs with Windows CE or Palm OS devices.

Expansion slots - Physical slots on some handheld computers that can be used for extra memory, a digital camera, electronic book cards, Margi-Presenter-to-go etc.

IPAQ - A Pocket PC first released by Compaq and now manufactured by Hewlett Packard.

Operating System - The software by which a computer creates an environment where applications are run. Often abbreviated as OS.

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