Most definitions found in this glossary are adapted with permission from this text book:

Maheu, M., Whitten, P., & Allen, A. (2001). eHealth, Telehealth & Telemedicine: A Guide to Startup and Success. New York: Jossey-Bass.

Browse the glossary using this index

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National Committee for Quality Assurance (NCQA)

A private, nonprofit organization dedicated to assessing and reporting on the quality of managed care plans.
Entry link: National Committee for Quality Assurance (NCQA)


Interconnected communication equipment used for data and information exchange. Networks can be classified by size (LAN, MAN, WAN) or by type of information carried (TCP/IP), who uses them (private or public), or how they are connected (switched or dedicated, using fiber optics or coaxial cable).
Entry link: Network


Discussion groups on the Internet that allow users to submit and read other participants’ submissions on a particular subject of mutual interest. Also referred to as the Usenet.

Entry link: Newsgroups


Proof that only the signer could have created an electronic signature.
Entry link: Nonrepudiation