CMP 101 INTRODUCTION TO THE INTERNET L02. Internet Unit A

T HE I NTERNET 2 A worldwide collection of networks Has a variety of uses Electronic messages ( ) Accessing information Shopping Meetings Entertainment Education

T HE W ORLD W IDE W EB 3 A popular subset of the Internet Made up of billions of documents (Web Pages) Text, graphics, video and/or audio. Hyperlinks Organized into individual web sites that contain a collection of related web pages.

T HE W ORLD W IDE W EB 4 Each web page has it’s own unique address called a Uniform Resource Locator (URL). A URL contains 4 parts: protocol, domain name which contains a top-level domain, path, and file name

T HE W ORLD W IDE W EB 5 Each web page has it’s own unique address called a Uniform Resource Locator (URL) A URL contains 4 parts: protocol, domain name which contains a top-level domain, path, and file name Example

T HE W ORLD W IDE W EB 6 Each web page has it’s own unique address called a Uniform Resource Locator (URL) A URL contains 4 parts: protocol, domain name which contains a top-level domain, path, and file name Protocol (Rules for file transfer) HTTP = H yper t ext T ransfer P rotocol: The rules (or instructions) that networks follow when transferring web pages from one computer/network on the Internet to another. http: // Example

T HE W ORLD W IDE W EB 7 Each web page has it’s own unique address called a Uniform Resource Locator (URL) A URL contains 4 parts: protocol, domain name which contains a top-level domain, path, and file name Domain Name Name of the computer or network where the web page is stored /Computer_Lab/CMP101_Resources/index.htm Example

T HE W ORLD W IDE W EB 8 Each web page has it’s own unique address called a Uniform Resource Locator (URL) A URL contains 4 parts: protocol, domain name which contains a top-level domain, path, and file name Top-level Domain Category domains: edu, com, org… Country / Territory domains: uk, au, de… edu /Computer_Lab/CMP101_Resources/index.htm Example Click here to see a list of all top-level domains from IANA (Internet Assigned Numbers Authority)

T HE W ORLD W IDE W EB 9 Each web page has it’s own unique address called a Uniform Resource Locator (URL) A URL contains 4 parts: protocol, domain name which contains a top-level domain, path, and file name Path The folders and subfolders where the web page is stored. Computer_Lab/CMP101_Resources/ index.htm Example

T HE W ORLD W IDE W EB 10 Each web page has it’s own unique address called a Uniform Resource Locator (URL) A URL contains 4 parts: protocol, domain name which contains a top-level domain, path, and file name File Name The name of the file index.htm Example

W EB B ROWSERS 11 Special programs needed to view Web pages

W EB B ROWSERS 12 They convert documents that look like this: Hypertext Markup Language (HTML) consists of tags like the ones shown here.

W EB B ROWSERS 13 Into this:

W EB B ROWSERS 14 Examples MS Internet Explorer Mozilla Firefox Opera Safari Chrome

INTERNET EXPLORER 9 Overview: The following slides will review the parts of the Internet Explorer window you will use in this exercise. 15

I NTERNET E XPLORER 9 16 Address/Search Bar Displays the URL of the current Web page. Enter a URL here to go to a new Web page. Type a search phrase to find information on the Web. Address/Search Bar Displays the URL of the current Web page. Enter a URL here to go to a new Web page. Type a search phrase to find information on the Web.

I NTERNET E XPLORER 17 Menu Bar Displays menu to access browser commands. Menu Bar Displays menu to access browser commands.

I NTERNET E XPLORER 18 TIP To turn on/off the menu bar (and other toolbars), right click a blank area at the top of the window and click on the item you wish to turn on or off. TIP To turn on/off the menu bar (and other toolbars), right click a blank area at the top of the window and click on the item you wish to turn on or off.

I NTERNET E XPLORER 19 Command Bar Displays buttons to access browser commands such as Home and Print. Command Bar Displays buttons to access browser commands such as Home and Print.

I NTERNET E XPLORER 20 Home button Click this button to go to the browser’s starting page. This can be configured for each browser so it many different if you use Internet Explorer at different locations. Home button Click this button to go to the browser’s starting page. This can be configured for each browser so it many different if you use Internet Explorer at different locations.

I NTERNET E XPLORER 21 Favorites button Click this button open up your favorites list. Favorites button Click this button open up your favorites list.

I NTERNET E XPLORER 22 Tools button Click this button open to access several browser commands such as save and print. Tools button Click this button open to access several browser commands such as save and print.

I NTERNET E XPLORER 23 Favorites Bar Easy access to your favorite web sites and your favorites list. Favorites Bar Easy access to your favorite web sites and your favorites list.

I NTERNET E XPLORER 24 Tabs Browse multiple sites in one browser window. Tabs Browse multiple sites in one browser window.

I NTERNET E XPLORER 25 Status Indicator Changes to an animated circle while the page is loading Status Indicator Changes to an animated circle while the page is loading

I NTERNET E XPLORER 26 TIP If you want the tabs to appear on a row by themselves, right click on a tab and choose Show tabs on a separate row. TIP If you want the tabs to appear on a row by themselves, right click on a tab and choose Show tabs on a separate row.

I NTERNET E XPLORER 27 Back and Forward buttons Move to a previously visited page. Back and Forward buttons Move to a previously visited page.

I NTERNET E XPLORER 28 Search button Click to convert address bar to search box (NOTE: this is not required, you can just type your search phrase into the address bar and press Enter. Search button Click to convert address bar to search box (NOTE: this is not required, you can just type your search phrase into the address bar and press Enter.

I NTERNET E XPLORER 29 Address Bar Autocomplete button Click to access previously visited pages (history) and favorites. Address Bar Autocomplete button Click to access previously visited pages (history) and favorites.

I NTERNET E XPLORER 30 Compatibility View Correct display problems with web sites designed for older browsers. Compatibility View Correct display problems with web sites designed for older browsers.

I NTERNET E XPLORER 31 Refresh button Click to reload the currently displayed page. Refresh button Click to reload the currently displayed page.

I NTERNET E XPLORER 32 Stop button Click to stop loading a page. Stop button Click to stop loading a page.

I NTERNET E XPLORER 33 Status bar Displays information about the current status of the browser. Also displays the URL of links you point to. NOTE: to turn on/off the status bar, right click in the title bar area and click status bar. Status bar Displays information about the current status of the browser. Also displays the URL of links you point to. NOTE: to turn on/off the status bar, right click in the title bar area and click status bar.

I NTERNET E XPLORER 34 Notification bar Messages from Internet Explorer that request information or inform you of problems. Notification bar Messages from Internet Explorer that request information or inform you of problems.

INTERNET EXPLORER 9 You are now ready to complete the activity!. 35