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a worldwide collection of networks that link millions of businesses, government agencies, educational institutions, and individuals.

IP Address

a number that uniquely identifies each computer or device connected to the internet.

Domain Name

the text version of an IP address.

World Wide Web

consists of a worldwide collection of electronic documents (Web pages).

Web Browser

allows users to access Web pages and Web 2.0 programs.


the process of receiving information.

Search Engine

finds information related to a specific topic.


a digital representation of nontext information (picture, BMP, GIF, JPEG, PNG, TIFF).


consists of full-motion images that are played back at various speeds.


program that extends the capability of a Web browser.


a business transaction that occurs over an electronic network.


the transmission of messages and files via a computer network.

Instant Messaging

a real-time Internet communications service.


a real-time typed conversation that takes place on a computer.


the code of acceptable Internet behavior.

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