1. Internet Technology - 3 Internet Technologies - 3 Dr. Mohammed Al-Abdulkareem © 2006

2. Internet Technology - 3 Browsers A browser is an application program that provides a way to look at and interact with all the information on the World Wide Web.A browser is an application program that provides a way to look at and interact with all the information on the World Wide Web.

3. Internet Technology - 3 Browsers

4. Internet Technology - 3 Browsers The browser breaks the URL into three parts:The browser breaks the URL into three parts: The protocol ("http")The protocol ("http") The server name (“www.ksu.edu.sa")The server name (“www.ksu.edu.sa") The file name ("web-server.htm")The file name ("web-server.htm") The browser communicates with name server to translate the server name, “www.ksu.edu.sa" into an IP address.The browser communicates with name server to translate the server name, “www.ksu.edu.sa" into an IP address. The browser then forms a connection to the Web server at that IP address on port 80.The browser then forms a connection to the Web server at that IP address on port 80.

5. Internet Technology - 3 Browsers Following the HTTP protocol, the browser sends a GET request to the server, asking for the file http:\\www.ksu.edu.sa\index.htm”.Following the HTTP protocol, the browser sends a GET request to the server, asking for the file http:\\www.ksu.edu.sa\index.htm”. Cookies may be sent from browser to server with the GET request.Cookies may be sent from browser to server with the GET request. The server sends the HTML code for the Web page to the browser.The server sends the HTML code for the Web page to the browser. Cookies may also be sent from server to browser in the header for the page.Cookies may also be sent from server to browser in the header for the page. The browser reads the HTML tags and formats the page onto the screen.The browser reads the HTML tags and formats the page onto the screen.

6. Internet Technology - 3 Browsers Firefox Tabbed Browsing Save time by viewing more than one page in a window.Tabbed Browsing Save time by viewing more than one page in a window. Pop-up Blocking Block annoying pop-up ads.Pop-up Blocking Block annoying pop-up ads. Better Security Help keep computers safe from malicious spyware.Better Security Help keep computers safe from malicious spyware. Google Toolbar Enhanced search box suggests queries as you type.Google Toolbar Enhanced search box suggests queries as you type. Open Source softwareOpen Source software

7. Internet Technology - 3 Browsers

8. Internet Technology - 3 Browsers 1X Very small size.Very small size. Supports frames, caching, outgoing email, FTP downloads, bookmarks, and extended history.Supports frames, caching, outgoing email, FTP downloads, bookmarks, and extended history. This browser loads Web pages extremely fast, although occasionally a Web page's layout will not be set up correctly.This browser loads Web pages extremely fast, although occasionally a Web page's layout will not be set up correctly. 1X does not support Java, though it does support ActiveX.1X does not support Java, though it does support ActiveX.

9. Internet Technology - 3 Browsers Internet Explorer In early 2000 Internet Explorer 5 was the best browser on the market.In early 2000 Internet Explorer 5 was the best browser on the market. It has many security vulnerabilities.It has many security vulnerabilities. Version 6 was released with Windows xp.Version 6 was released with Windows xp. The latest is version 7.The latest is version 7. Universally adopted and pre-installed on WindowsUniversally adopted and pre-installed on Windows

10. Internet Technology - 3 Browsers

11. Internet Technology - 3 Browsers Mosaic The original web browser.The original web browser. Was developed by NCSA in 1993.Was developed by NCSA in 1993. Unix based browser.Unix based browser. Outdated …..Outdated …..

12. Internet Technology - 3 Browsers

13. Internet Technology - 3 Browsers Opera Multi platform browser.Multi platform browser. Known to be fast and stable.Known to be fast and stable. Compact size.Compact size. Products for mobile phones (Mini, Mobile).Products for mobile phones (Mini, Mobile). Provides some advantages over the two most popular browsers from Netscape and Microsoft.Provides some advantages over the two most popular browsers from Netscape and Microsoft.

14. Internet Technology - 3 Browsers

15. Internet Technology - 3 Browsers Netscape Was designed by the same team invented Mosaic.Was designed by the same team invented Mosaic. Last version 8.1 gives you the best in Internet Explorer and FireFox.Last version 8.1 gives you the best in Internet Explorer and FireFox.

16. Internet Technology - 3 Browsers