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CIS 105 Survey of Computer Information Systems Essential Concepts and Terminology Study Unit 7 Media Convergence. The unification of all earlier media forms (print, audio, video, animation, telephone) in a single medium. Internet.

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Cis 105 survey of computer information systems l.jpg

CIS 105Survey of Computer Information Systems

Essential Concepts and Terminology

Study Unit 7


Media convergence l.jpg
Media Convergence.

  • The unification of all earlier media forms (print, audio, video, animation, telephone) in a single medium.


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Internet.

  • The worldwide communication technology and infrastructure that links computer networks using TCP/IP protocol, enabling direct data exchange between any two connected computers.


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ISP (Internet Service Provider).

  • A company that provides Internet access, often by paid subscriptions, to businesses, organizations, and individuals.


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Internet Protocol (IP).

  • The rules enabling data to be sent from one computer to another on the Internet. The protocol specifies that each computer have at least one uniquely identifier, its IP address.


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IP Address.

  • The unique four-part number separated by periods (such as 216.239.39.120) used for identifying each computer connected to the Internet.


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WWW (World Wide Web).

  • The network of computer networks enabling connected users to access billions of pages of information.


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Platform.

  • A distinct class of computers, distinguished as using a specific type of processor and operating system.


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Interoperability.

  • The characteristic of the Internet that enables cross-platform computer operations.


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Online Service.

  • A proprietary network offering customized, fee-based access, client software, and services.


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Portal.

  • An Internet gateway providing organized content, often with free services to attract commercial activity and advertisers.


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ARPANet.

  • The network created in 1969 by the Advanced Research Projects Agency (ARPA). ARPANet was the first network to use the technology that is the basis of the Internet.


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Client.

  • A program running on a computer, such as a Web browser, that requests information from another computer.


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Server.

  • Any computer providing a service to other computers on a network. A program on a networked computer that provides data to client computers.


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Hyperlink.

  • Portion of a hypertext markup language document that directs a client program to retrieve another document. This technological advance enabled the World Wide Web.


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Hypertext.

  • Text strings in documents that are often underlined, highlighted, or otherwise emphasized to indicate their hyperlink property.


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URL (Uniform Resource Locator).

  • The unique address that specifies precisely the location of a Web page.


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FTP (File Transfer Protocol).

  • The set of rules enabling downloading and uploading of ASCII and text files via the Internet.


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ASCII.

  • Acronym for American Standard Code for Information Interchange, the predominant computer character set encoding, currently using 7 bit binary code to define 128 possible characters.


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Executable File.

  • A file containing instructions capable of running on a computer, usually with an .exe extension if intended for use on a PC.


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Macro.

  • Any set of instructions that automates a task. A macro can be written or created by performing a task while recording the steps.


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Usenet.

  • An Internet discussion group news service for collecting and storing information by topic categories, called newsgroups and forums. More than 50,000 newsgroups exist.


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Thread.

  • A series of newsgroup articles with a continuing commentary on a particular subject.


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Netiquette.

  • Etiquette rules pertaining to use of Internet communications.


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Flames.

  • Angry or critical Internet communications.


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Internet Chat Relay (ICR).

  • Internet service that supports many channels of real-time, text-based conversation among multiple participants.


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Transmission Control Protocol/Internet Protocol (TCP/IP).

  • A standard set of communication rules used by every computer connected to the Internet.


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Point-to-Point Protocol (PPP).

  • A version of PCP/IP to connect a dial-up computer to the Internet using a temporarily assigned IP address.


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Digital Subscriber Line (DSL).

  • A protocol that enables high-speed, permanent online Internet connections using telephone lines.


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Backbone.

  • A transmission line that carries data gathered from smaller interconnected lines, at the local level, from LAN to LAN or from a LAN to a wide area network connection, or, on the Internet or other wide area network, a set of paths that local or regional networks connect to for long-distance interconnection.


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Network Access Points (NAPS).

  • Several major Internet interconnection points that provide major switching facilities and tie all the Internet access providers together.


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Domain Name System (DNS).

  • The system of Internet addressing that stores and translates meaningful and easy-to-remember text aliases (such as www.mc.maricopa.edu) into Internet Protocol addresses.


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Internet Network Information Center (InterNIC).

  • The organization originally responsible for registering and maintaining top-level domain names on the World Wide Web. Recently, competition was introduced and the Internet Corporation of Assigned Names and Numbers (ICANN) conducts registrar accreditation.


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Top-Level Domain Names

  • .gov

    • Government agency

  • .edu

    • Educational institution

  • .org

    • Nonprofit organizations

  • .com

    • Commercial business

  • .net

    • Network organizations


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Intranet.

  • A local or wide-area computer network based in TCP/IP, and not necessarily available to external connections.


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Firewall.

  • A program to prevent or limit external access to a computer from networked connections.


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End of Study Unit 7.

Return to first slide

Move to Study Unit 8

CIS 105 Home Page

Created by James Q. Jacobs


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