Introduction to the Internet • The internet or the Net is the world’s largest computer network which connects millions of computer all over the world. Uses of Internet: • Communicate with and meet other people • Access a wealth of information, news, and research findings • Shop for goods and services • Bank and invest • Take a class • Access sources of entertainment and leisure, such as online games, videos, books and magazines • Download music • Share information
Introduction to the Internet Advantages of the Internet • 1. Data and information rich, including a range of media. • 2. Anyone can publish online (tripod.com and other hosting sites) • 3. Learners can become researchers because of easier access to data • 4. Search engines that are fast and powerful • 5. Easy to use. • 6. Smaller, faster, cheaper all the time
Introduction to the Internet Disadvantages of the Internet • 1. Information overload. • 2. No librarians for quality control(with some exceptions, like Kids Click! And other sites for children). • 3. Need for quality control in the data that student find and use. • 4. Search engine that show result base on who pays the most. • 5. Not enough training for effective use. • 6. Push to upgrade constantly.
Internet Applications meaning of World Wide Web World Wide The World Wide Web (abbreviated as WWW or W3 commonly known as the Web), is a system of interlinked hypertext documents accessed via the Internet. With a web browser, one can view web pages that may contain text, images, videos, and other multimedia, and navigate between them via hyperlinks.
Internet Applications Hypertext Markup Language (HTML). the mainlanguage for displaying web pages and other information that can be displayed in a web browser. Uniform Resource Locator (URL). the global address of documents and other resources on the World Wide Web.
Internet Applications Web Browser A web browser is a software application that enables a user to display and interact with text, images, videos, music and other information typically located on a Web page at a website. Example of web browser • Internet explorer • Google chrome • Mozilla firefox • Opera • Safari
1 Guess the web browser logo OPERA
2 Guess the web browser logo Internet Explorer
3 Guess the web browser logo Mozilla Firefox
4 Guess the web browser logo Safari
5 Guess the web browser logo Google Chrome
web browser OPERA SAFARI INTERNET EXPLORER MOZILLA FIREFOX GOOGLE CHROME
Internet Applications- search engine Web Search Engine Aweb search engine is designed to search for information on the World Wide Web. Example of search engine: • Google • Yahoo! • Bing