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Browsing the Web. Cyberspace Explorations Class BOLLI – Fall 2005. How Does Web Browsing Work?. The Process of Using a “Browser” Startup your browser program (Internet Explorer, Firefox, etc.). Enter the address (aka “URL”) of a specific Web page such as www.brandeis.edu/bolli - PowerPoint PPT Presentation
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Browsing the Web
Cyberspace Explorations ClassCyberspace Explorations ClassBOLLI – Fall 2005BOLLI – Fall 2005
The Process of Using a “Browser”
Startup your browser program (Internet Explorer, Firefox, etc.).
Enter the address (aka “URL”) of a specific Web page such as www.brandeis.edu/bolli
The browser sends a message directly to that address requesting a response.
The requested response is returned to your computer and is displayed by the browser.
How Does Web Browsing Work?
How Does Web Browsing Work?
THE INTERNET
WEBSERVER
DNS - DomainName Server
ISP
SMTP POP
SMTP POP
ISP
Email PC
Email PC
Browser PC
What’s in a Web Address?
All Web Sites Have a Unique “Domain” Name For Brandeis University, enter: www.brandeis.edu The domain name is “brandeis.edu”
Most Web Sites Have Several “Sub Domains” For BOLLI public site, enter: www.brandeis.edu/bolli For Brandeis Arts, enter: www.brandeis.edu/arts
Subdomains Are Often Further Subdivided For the BOLLI private members-only Web site, enter:
www.brandeis.edu/bolli/members
Each Page in a Site Has a Unique “URL” The BOLLI members Web site photo page is identified
as: www.brandeis.edu/bolli/members/photos
What’s in a Web Address?
URL – Uniform Resource Locator Every one of the billions of Web pages has its own unique
URL. URLs are “case insensitive” and comprise letters, numbers
and certain special characters.
Format Rules URLs contain a minimum of three parts, each separated
by a period “.” (aka “dot”) Last part must be one of
following: .com, .edu, .gov, .mil, .net, .us, .ca, .il, .fr, .de, .ru, .name, .info, etc.
Cannot contain: spaces Permitted special characters: “-”, “_” “/” and “.”
Web Address Samples (http:// prefix is optional and implicit)
www.heier.us/photos www.irs.gov finance.yahoo.com www.knesset.gov.il
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
Mozilla Firefox
Opera
AOL
Major Browser Components
Toolbars
Sidebar
Main Window
Important Toolbar Features
Prev PgNext Pg
Stop
Refresh
Home Pg
FavoritesOn/Off History
On/Off
Email Page
PrintPage
More Toolbar Features
GoogleSearchField
RequestedWeb Page
StartGoogleSearch
GetRequestedWeb Page
More Toolbar Features
More Toolbar Features (cont’d)
Toolbar Shortcuts
Sidebar Palettes
Favorites
History
Exercise: Web Search
Exercise: Web Search Go to Google (www.google.com) 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
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 ClickHere
Download Toolbar File
1. Click on Save to start the download
2. Select “Desktop” and click on Save
Install Toolbar File
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
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 Enter phone number in Google toolbar and press Google toolbar and press “Search Web”“Search Web”
Click on the Click on the MapQuest link to get MapQuest link to get additional detailsadditional details
Exercise: Take the Google Toolbar Tour
Go to: http://toolbar.google.com/tour/toolbar.html
ClickClickHere
Here
Exercise: Take the Google Toolbar Tour
Exercise: Reset Browser Home Page
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
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
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 Email Work?
THE INTERNET
WEBSERVER
WEBSERVER
ISP
SMTP POP
SMTP POP
ISP
Email PC
Email PC
Download & Install Google Toolbar
