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isds_chapter3_vocab - CHAPTER THREE A program that...

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CHAPTER THREE adware A program that downloads on your computer when you install a free-ware program, game, or utility. Generally, adware enables sponsored advertisements to appear in a section of your browser window or as a pop-up ad box. aggregator A software program that goes out and grabs the latest update of Web material (usually podcasts) according to your specifications. aircard A device that enables users to have wireless Internet access with such mobile devices as PDAs and notebooks. Bookmark A feature in some browsers that places a marker of a Web site's Uniform Resource Locator (URL) in an easily retrievable list (called Favorites in Microsoft Internet Explorer). Boolean operator A word used to refine logical searches. For Internet searches, these words— AND, NOT, and OR—describe the relationships between keywords in the search. breadcrumb list A list that shows the hierarchy of previously viewed Web pages within the Web site that you are currently visiting. Shown at the top of some Web pages, it aids Web site navigation. broadband connection A high-speed Internet connection such as cable, satellite, or digital subscriber line (DSL). buddy list A list of contacts set up in an instant messaging program. business-to-business (B2B) E-commerce transactions between businesses. business-to-consumer (B2C) E-commerce transactions between businesses and consumers. cable Internet connection A data transmission line that transmits data at high speeds along coaxial or fiber-optic cable. cable modem A device that enables a computer to send data over cable lines. A modem modulates and demodulates the signal into digital data and back again. chat room An area on the Web where people come together to communicate online. The conversations are in real time and are visible to everyone in the chat room. client A computer that requests information from a server in a client/server network (such as your computer when you are connected to the Internet). client/server network A network that consists of client and server computers, in which the clients make requests of the server and the server returns the response. consumer-to-consumer (C2C) E-commerce transactions between consumers through online sites such as eBay.com. cookie A small text file that some Web sites automatically store on a client computer's hard drive when a user visits the site. bandwidth (data transfer rate) The maximum speed at which data can be transmitted between two nodes on a network, usually measured in megabits per second (Mbps). dial-up connection A connection to the Internet using a standard telephone line. dial-up modem A device that converts (modulates) the digital signals the computer understands to the analog signals that can travel over phone lines. In turn, the computer on the other end also must have a modem to translate (demodulate) the received analog signal back to a digital signal that the receiving computer can understand.
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