InternetInternetLecture 1Internet – A network of networks connected around the world. Began as a military experiment of long-range networking. It is interactive, immediate, and global.WWW – World Wide Web – A subset of the Internet consisting of hypertext and/or hypermedia documents.Hypertext – a document that contains a hyperlink (link) to another document (text files) within the realms of the internetHypermedia – a similar idea, except it may contain links to Graphic, sound, video files as well as document filesHypertext and hypermedia documents allow you to move freely from one file/document to another across the WWW. Computers that store these hypertext/hypermedia documents and make them available to other computers is a WEB SERVER. Anyone, any computer, that requests access to this document is a CLIENT.HTTP - Hypertext Transfer Protocol – The set of standards (protocols) that govern the way data is transmitted across the web. This allows every client to be able to display every document available on every server. Web Browser – The specific software programs that allow access to HTTP documents. It enables a user to “browse” the Web. Examples: Internet Explorer, Netscape NavigatorConnecting to the Internet – Requires LAN setup or dial up to anInternet Service Provider (ISP – discussed earlier)The location of the document (address) on the WWW is known as the URL – Uniform Resource Locator, or Web address. This address is displayed on the Address bar in the web browser window.http://www.microsoft.com/win95/upgrades.htmMeans of access Web Site (Address of Web Server)Path at Web Site (Directory or Folder)Document NameThe first document at a web site is the “Home Page” (usually identified as index.html)http://www.mircrosoft.com/index.htmTo Access a site, type in the address in the Open command, or typeinto the address bar in the browser window. You can directly connect to other sites through the hyperlinks.Search Engines – Allows you to navigate through the WWW by conducting a Key-Word search of the Web for specific topics, similar to a library card catalog. Many search engines are available that use their own database of Web documents, continually updated by “spider programs” Will return a list of document titles and links to those pages that contain the word(s) in your search. Examples: infoseek, alto vista, lycos, yahooEnhancing Your Web Page:1) Web Bots: Add special pre-coded functions to your document- Include: Standard data you want added to every web page you create (Name and E-mail), if these change you will only have to update one html file- Search: Search Engine for your web pages- TimeStamp: Indicates last modification2) Hyperlinks:- Between pages in web site (Local Document)- WWW links- E-mail links3) Bookmarks: Internal link to specified section (Top of