Transcript Using the Web Browser

Browsing the Web
Cyberspace Explorations Class
BOLLI – Fall 2005
How Does Web Browsing Work?
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The Process of Using a “Browser”
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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?
Email PC
THE
INTERNET
Email PC
SMTP
POP
ISP
WEB
SERVER
SMTP
POP
ISP
Browser PC
DNS - Domain
Name Server
What’s in a Web Address?
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All Web Sites Have a Unique “Domain” Name
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Most Web Sites Have Several “Sub Domains”
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For BOLLI public site, enter: www.brandeis.edu/bolli
For Brandeis Arts, enter: www.brandeis.edu/arts
Subdomains Are Often Further Subdivided
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For Brandeis University, enter: www.brandeis.edu
The domain name is “brandeis.edu”
For the BOLLI private members-only Web site, enter:
www.brandeis.edu/bolli/members
Each Page in a Site Has a Unique “URL”
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The BOLLI members Web site photo page is identified
as: www.brandeis.edu/bolli/members/photos
What’s in a Web Address?
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URL – Uniform Resource Locator
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Format Rules
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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.
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
finance.yahoo.com
www.irs.gov
www.knesset.gov.il
Major Web Browsers
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Internet Explorer (Microsoft Corp.)
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Netscape Navigator (Netscape Corp.)
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Firefox (The Mozilla Organization)
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Opera (Opera Software)
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AOL (America Online)
Internet Explorer
Netscape Navigator
Mozilla Firefox
Opera
AOL
Major Browser Components
Important Toolbar Features
Prev Pg
Next Pg
Favorites
On/Off
Stop
Refresh
Home Pg
History
On/Off
Email
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
Exercise: Web Search
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Go to Google (www.google.com)
Obtain the following information:
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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
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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. 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
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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
Exercise: Take the Google Toolbar Tour
Exercise: Take the Google Toolbar Tour
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Go to: http://toolbar.google.com/tour/toolbar.html
Exercise: Reset Browser Home Page
Exercise: Reset Browser Home Page
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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
1. Locate the desired new home page in your browser
2. Select “Tools”,
“Internet Options” from
the browser menu
3. Click on “Use
Current” and
select “OK”
Exercise: Save a Favorite Web Site
Exercise: Save a Favorite Web Site
1. Visit desired “favorite” Web site
2. Turn on Favorites
sidebar
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)
Some Additional Exercises
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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
How Does Email Work?
Email PC
THE
INTERNET
Email PC
SMTP
POP
ISP
WEB
SERVER
SMTP
POP
ISP
WEB
SERVER
Download & Install Google Toolbar