Using the Web Cyberspace Explorations Class BOLLI – Spring 2005

How Does Web Browsing Work?

 The Process of Using a “Browser” You type the URL of a requested Web page such as A message is sent to a Domain Name Server (DNS) which returns the “IP” address (e.g., ). The browser then communicates directly with that address requesting a response. The requested response comes back in the form of an HTTP page which is displayed by the browser. How Does Web Browsing Work?

What’s in a Web Address?  Using a Domain Name For Brandeis University, you enter: A corresponding Internet IP address is substituted (i.e., ) by a “Domain Name Server” You could optionally use the IP address to request a page  URL (Uniform Resource Locator) Each page within a Web site has its own unique URL The BOLLI Web pages are part of the Brandeis Web site and our “URL” is:  Format Rules Cannot contain: spaces or special characters except “-”, “_” “/” and “.” Must contain a minimum of three parts separated by a period “.” Last part must be one of following: com, edu, gov, mil, net, us, ca, il, fr, de, ru, etc.  Web Address Samples ( prefix is optional and implicit) Finance.yahoo.com

Major Web Browsers  Internet Explorer (Microsoft Corp.)  Netscape Navigator (Netscape Corp.)  Firefox (The Mozilla Organization)  Opera (Opera Software)  AOL (America Online)

Internet Explorer

Netscape Navigator

Firefox (a/k/a Mozilla)

Opera

AOL

Major Browser Components Toolbars Sidebar Main Window

Important Toolbar Features Prev Pg Next Pg Stop Refresh Home Pg Favorites On/Off History On/Off Page Print Page

More Toolbar Features Google Search Field Requested Web Page Start Google Search Get Requested Web Page

More Toolbar Features (cont’d) Toolbar Shortcuts

Sidebar Palettes Favorites History

Exercise: Web Search

 Go to Google (  Obtain the following information: Dates of Louis D. Brandeis’ birth & death His wife’s maiden name The date he was appointed to the Supreme Court and by whom What does the “D.” stand for? The name of his first law firm Locate a photo of Brandeis dressed in his Supreme Court robe. Bonus #1: What was the composition of the Supreme Court when Brandeis appointed? Bonus #2: What was the “Brandeis Brief”

Exercise: Download & Install Google Toolbar

 Go to Google home page.  Using Google, locate the page to download the Google “toolbar”.  Install the Google toolbar on your computer.

Go to Toolbar Download Page Go to: Toolbar.google.com Then Click Here

Download Toolbar File 1. Click on Save to start the download 2. Select “Desktop” and click on Save

Install Toolbar File 1. 1.Double click the program icon on the desktop 2. Click on the Run button 3. Click on the Agree button

Install Toolbar File (cont’d) 4. Select the “Enable Advance Features” option 5. Accept all entries and click Next

Exercise: Use the Google Toolbar

 Use the Google toolbar to lookup your home address and find a map to your location using only your phone number. Enter phone number in Google toolbar and press “Search Web” Click on the MapQuest link to get additional details Click on the MapQuest link to get additional details

Exercise: Take the Google Toolbar Tour

 Go to: Exercise: Take the Google Toolbar Tour

Exercise: Reset Browser Home Page

 Open Internet Explorer.  Go to Google home page.  Select “Tools”, “Internet Options” from the Browser menu.  Select “Use Current”.  Click “OK”.  Go to another Web page and test the home page button

Exercise: Reset Browser Home Page 2. Select “Tools”, “Internet Options” from the browser menu 3. Click on “Use Current” and select “OK” 1. Locate the desired new home page in your browser

Exercise: Save a Favorite Web Site

2. Turn on Favorites sidebar 1. Visit desired “favorite” Web site 3. Click on “Add” in Favorites sidebar 4.Optionally change Name field and click on OK 5. Optionally click on “Organize” in Favorites Sidebar for more advanced functions

Exercise: Search Within a Web Page

1. Select Edit, Find (on This Page) from Browser menu 2.Enter desired search word(s) in “Find what” box 3.Locate highlighted occurrence of search word(s)

 Work with multiple browsers  Reorganize the toolbar  Use Shortcuts – e.g., Ctl/Enter, Spacebar scrolling  Use mouse scroll wheel  Block pop ups  Control character size Some Additional Exercises

How Does Work?

What’s in an Address?  A specific rigid format is required. “User-name” is typically your login name. “Domain-name” is frequently defined by your ISP.  Format rules Cannot contain: spaces or special characters except “-”, “_” and “.” Must contain the sign  Address samples (note: contains underscore character between the first and last names)

Download & Install Google Toolbar