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COMPUTER INTRO Lesson 3 – The Internet Vocabulary and Notes Mrs. Durham Microsoft Office 1 Accessing the Internet The internet is a vast network of computers linked to one another. The Internet allows people around the world to share information and ideas through Web pages, newsgroups, mailing lists, chats, email, and electronic files. Connecting to the Internet requires special hardware and software and a Internet Service Provider. Before you can use the internet, your computer needs to be connected and you should know how to access the Internet. Mrs. Durham Microsoft Office 2 World Wide Web (www) The World Wide Web (www) is system of computers that share information by means of hypertext links or “pages.” The Internet is its carrier. To identify hypertext documents, the Web uses addresses called Uniform Resource Locators (URLs). Here are some example of URLs: Mrs. Durham Microsoft Office 3 www.whitehouse.gov www.microsoft.com www.hollandpublicschools.org Mrs. Durham Microsoft Office 4 Web Toolbar The Web toolbar contains buttons for opening and searching document. You can use the Web toolbar to access document on the Internet. Mrs. Durham Microsoft Office 5 What do these buttons “look” like and WHERE are they? Back Forward Stop Refresh Print Tabs Favorites History Address box Recent sites Mrs. Durham Microsoft Office 6 The Back button takes you to the previous page and the Forward button take you to the next page. Click the Stop button to stop loading the current page. The Refresh button reloads the current page. Click the Print button allows you to print the web page you are on. Tabs allow you to have more than one site active at a time. Mrs. Durham Microsoft Office 7 The Favorites button shows a list to which you can add your favorite sites so that you can return to them easily. The History allows you to see previous sites located. When you know the specific address you want to jump to, key it in the Address Box. Recent sites allows you to see the most recent sites you’ve located. Mrs. Durham Microsoft Office 8 Web Browser To view hypertext document on the Web, you need special software. A Web browser is software used to display Web pages on your computer monitor. Microsoft's Internet Explorer is a browser for navigating (moving around) the Web that is packaged with the Microsoft Office Suite. Mrs. Durham Microsoft Office 9 Dial up or Direct? Dial-up access uses a modem and a telephone line to communicate between your computer and the Internet. Direct access uses a special high-speed connection, such as a DSL cable, between your computer and the Internet. This access is much faster, but usually costs more. Mrs. Durham Microsoft Office 10 Search Engines To surf (use) effectively you should learn about Search Engines. Search Engines organize sites (URLs) into categories using key words. Some of the most popular Search Engines are Yahoo, Google, Lycos, Ask, WebCrawler, Bing, DogPile and Excite. Mrs. Durham Microsoft Office 11 History of the Internet The Internet has its roots in the U.S. Department of Defense, when in 1986, it formed the National Science Foundation. The NSF created the U.S. portion of the Internet with high-speed, long-distance lines. In 1991, the U.S. Congress further expanded the Internet’s capacity and speed and opened it to commercial use. Now over 200 countries now have Internet access. Mrs. Durham Microsoft Office 12