Transcript Internet Explorer 7 - Academic Web Pages

Internet & WWW: Objectives
Understand Web browsers
 Ways to connect to Internet
 View and navigate Web pages
 Websites and domains
 Save favorite Web pages
 Protocols and online security
 Search Engines
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Understanding Internet
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A computer network
◦ Two or more connected computers that can share
information
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An Intranet is a local computer network
◦ A company office
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The Internet is a network of connected
computers and computer networks located
around the world.
◦ Million users throughout the world
◦ Connected using telephone lines, cables, and satellites
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WWW & Web Browsers
The World Wide Web (the Web or
WWW) is a part of the Internet
containing linked Web pages
 A Web browser is a software program
used to access and display Web pages
 Internet Explorer is a Web browser
 Other browsers: Firefox, Safari, Opera,
etc.
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Understanding Web Browsers
A search engine is a special Web site that
helps find other Web sites
 A Web site is a group of Web pages
 Web pages contain highlighted text or
graphics called hyperlinks or links
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◦ Hyperlinks open other Web pages
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The History of the Internet and the World
Wide Web
The Internet
 1969, Dept. of Defense, Advanced Research
Projects Agency Network (ARPANET)
 1986, National Science Foundation formed
(NSFNET) which replaced ARPANET
 Provides high-speed, long distance lines
 1991, Congress expands internet capacity and
speed and opens Internet to commercial use
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The History of the Internet and the World
Wide Web
The World Wide Web
 1991, founded in Switzerland to allow links between
documents on the Internet
 Software programs (Web browsers) developed to
access the Web
 First Web browser, Mosaic, introduced at the
University of Illinois
 Mosaic leads to Netscape Navigator and Internet Explorer
browsers
 Current popular Web browsers: Internet Explorer
and Netscape Navigator
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Ways to Connect to Internet
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ISP – Internet Service Provider
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Dial-up
DSL: Digital Subscriber Line
Cable
Fibre-optic
LAN: Local Area Network
(wired or wireless)
 Satellite
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Starting Internet Explorer
Internet Explorer connects your
computer to the Web using an Internet
connection
 Locate the Internet Explorer icon
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◦ Start menu or desktop icon
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Home page appears
◦ A home page is the first page that opens
every time you start Internet Explorer
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Exploring the Browser
Title bar with
Web page
name
URL in
Address
bar
Status bar
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Exploring the Browser
Search Box
Command
bar.
Favorites
Center
Button
Vertical
scroll bar
Tabs for tabbed
browsing
Browser
window
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Structure of URL
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Every Web page has a unique URL
◦ Unified/Universal Resource Locator
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Parts of a URL:
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“http” (Hypertext Transfer Protocol)
“:” (a colon)
“//” (two forward slashes)
“www” (identifies the World Wide Web)
then the domain name- the Web site’s name
“.” (another dot)
top-level domains (institutional categories)
 edu, com, org, net, gov, mil
◦ Folder & file requested
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URL Illustration
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A URL:
◦ http://www.course.com
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Additional folders or file names may
appear in URL
◦ http://www.course.com/downloads/
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Viewing and Navigating Web Pages
Back
button
Stop button
Refresh
button
Forward
button
Recent Pages
button
Home
button
Tab of current Web
page
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Using Tabbed Browsing
Tab of current Web
page
New tab opened
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Using Tabbed Browsing

Use Quick Tabs view to see thumbnails
of open tabs
Current Web page
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Saving
a Favorite Web Page
Use the Add a Favorite Dialog box
 Create a new folder
 Retype the Name if you want
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Printing a Web Page
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Print Preview
◦ View the page before printing
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Printing a Web Page
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Use the Print
dialog box to set
print options
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Searching For Information
Search options:
 Enter keywords in the Address bar
 Enter keywords in the Search box
 Use search engines
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Google
Yahoo!
Ask
Live
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Searching For Information
Keywords
Search button
Search results are
links
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Online Security
Safe sites
 http vs. https
 Lock icon & certificates
 Demos
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Blocking Pop-ups
Internet Explorer built-in Pop-up Blocker
 Click Tools on the Command bar, point to Popup Blocker, then click Turn Off Pop-up Blocker
to turn it off if you want pop-ups
 Click Pop-up Blocker Settings to open the Popup Blocker Settings dialog box to permit popups from specific Web sites
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Phishing
Phishing is an illicit activity where people
send you fraudulent Web sites to gather
your personal information for possible
illegal purposes.
Phishing Filter is a feature in Internet
Explorer 7 that helps detect phishing
websites.
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Phishing
Click the Tools button on the Command
bar
 Click Phishing Filter
 Click Turn On Automatic Website
Checking
 Click Turn on automatic Phishing Filter
 Click OK
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Spyware
Spyware: hidden in downloads
 Trojan Horse
 Only download from trusted sites and
sources
 Anti-spyware protection (scan & removal)
 E.g. Norton Internet Security package
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Exiting Internet Explorer
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If more than one tab is open, you will be
prompted to close all tabs or cancel
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