Chapter 2. Communications, Networks, the Internet, and the World Wide Web. CHAPTER 2 OBJECTIVES. Define communications Identify the basic components of a communications system Describe how and why network computers are used in schools and school districts Explain how the Internet works.
Communications, Networks, the Internet, and the World Wide Web
The world’s largest network is the Internet, which is a worldwide collection of networks that link together millions of businesses, governments, educational institutions, and individuals.
This instructional Web site uses VR to teach biology students about cells and body tissues.
WIDE WEB SITES AND
An extensive, current list of Web sites in various categories can be found at: http://www.scsite.com/tdc3
Click the Special Feature, Guide to WWW Sites link on the left sidebar
Start your browser and enter the URL www.yahoo.com in the Address box. When the Yahoo! home page appears, point to the Literature link below Arts & Humanities. You point to Literature because that is the category in which Mark Twain made his contributions.
Click Literature. When the Literature page appears, point to the Authors link. You point to Authors because Mark Twain was an author. Each time you click a category link, you move closer to the topic.
Click Authors. When the Authors page appears, scroll down and point to the letter T in the alphabetical site listings. (You can also find information about Mark Twain by clicking the Literary Fiction link.)
Click the letter T. The browser window displays an alphabetical listing of authors whose last names begin with T, as well as other author-related organizations that begin with T. Scroll down and then point to the Twain, Mark (1835-1910) link.
Click Twain, Mark (1835-1910). When the page appears, scroll down and then point to the Mark Twain Papers & Project link.
Click the Mark Twain Papers & Projects link. When the page appears, click the links one at a time. Use the browser’s Back button to Return to The Mark Twain Papers & Project page after viewing the page associated with each link.
Start your browser and then enter the URL http://www.google.comin the Address box. When the Google home page appears, type mark twain papers in the Search text box and then point to the Google Search button.
Click the Google Search button. When the results of the search appear, scroll through the links and read the descriptions. Point to the Mark Twain Papers & Project link.