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Chapter 2 Communications, Networks, the Internet, and the World Wide Web

Chapter 2 Communications, Networks, the Internet, and the World Wide Web. By: Crystal Eckles, Sarah Reeves, Carl DeBose. What is Communication?. A process in which two or more computers or devices transfer data, instructions, and information. Basic communications system equipment .

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Chapter 2 Communications, Networks, the Internet, and the World Wide Web

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  1. Chapter 2Communications, Networks, the Internet, and the World Wide Web By: Crystal Eckles, Sarah Reeves, Carl DeBose

  2. What is Communication? A process in which two or more computers or devices transfer data, instructions, and information.

  3. Basic communications system equipment • Two computers, one to send and one to receive data • Communications devices that send and receive data • A communications channel over which data is sent

  4. Networking the Classroom, School, and District

  5. Reasons for installing networks in schools • Hardware and software resource sharing • Allow communications between schools and other organizations • To connect both students and teachers to the Internet Many colleges, universities, and K-12 schools have installed wireless notebook computers and other wireless devices.

  6. What is the Internet?A worldwide collection of networks that link together businesses, governments, educational institutions, and individuals using modems, telephone lines, and other communications devices and media.

  7. Internet uses • Virtual world and social networks • Shop for goods and services • Take a course or access educational materials

  8. How the Internet works • When a computer sends data over the Internet, the computer’s software divides the data into small pieces, called packets. What are Packets • Email messages • Files • Documents • Graphics • Request for files

  9. World Wide Web (Web) Worldwide collection of electronic documents that have built-in-hyperlinks to other related documents. Hyperlinks: users can navigate quickly from one Web page to another. ( Username password document)

  10. Web Browser Software A program that interprets HTML and displays Web pages and enables the user to link to other Web pages and Web sites.

  11. Search Engine A specific type of search tool that finds Web sites, Web pages, and Internet files that match one or more keywords you enter. (Google, Bing, Yahoo, Ask)

  12. Internet Services

  13. E-mail: transmission of messages and files through a computer network. Today email allows administrators, teachers, and students to interconnect with millions of Internet users all over the world.

  14. NewsgroupsOnline area where users conduct written discussions about a particular subject.

  15. ChartroomsCommunications mediums, or channels that permits users to chat with each other controlled/ monitored chartrooms are available for K-12 students and teachers

  16. As the Web grows in size and operates at higher speeds, it will continue to have a major influence on restructuring K-12 education.

  17. Work Cited Google Images. Web. 06 Feb. 2012. Shelly, Gary B. "Communications, Networks, the Internet, and the World Web." Teachers Discovering Computers: Integrating Technology and Digital Media in the Classroom. 6th ed. Boston, MA: Thomson/Course Technology, 2010. 59-96. Print.

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