Download 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

1
Understanding Internet

A computer network
◦ Two or more connected computers that can share
information

An Intranet is a local computer network
◦ A company office

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
2
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.

3
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

◦ Hyperlinks open other Web pages
4
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
5
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
6
Ways to Connect to Internet

ISP – Internet Service Provider
◦
◦
◦
◦
Dial-up
DSL: Digital Subscriber Line
Cable
Fibre-optic
LAN: Local Area Network
(wired or wireless)
 Satellite

7
Starting Internet Explorer
Internet Explorer connects your
computer to the Web using an Internet
connection
 Locate the Internet Explorer icon

◦ Start menu or desktop icon

Home page appears
◦ A home page is the first page that opens
every time you start Internet Explorer
8
Exploring the Browser
Title bar with
Web page
name
URL in
Address
bar
Status bar
9
Exploring the Browser
Search Box
Command
bar.
Favorites
Center
Button
Vertical
scroll bar
Tabs for tabbed
browsing
Browser
window
10
Structure of URL

Every Web page has a unique URL
◦ Unified/Universal Resource Locator

Parts of a URL:
◦
◦
◦
◦
◦
◦
◦
“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
11
URL Illustration

A URL:
◦ http://www.course.com

Additional folders or file names may
appear in URL
◦ http://www.course.com/downloads/
12
Viewing and Navigating Web Pages
Back
button
Stop button
Refresh
button
Forward
button
Recent Pages
button
Home
button
Tab of current Web
page
13
Using Tabbed Browsing
Tab of current Web
page
New tab opened
14
Using Tabbed Browsing

Use Quick Tabs view to see thumbnails
of open tabs
Current Web page
15
Saving
a Favorite Web Page
Use the Add a Favorite Dialog box
 Create a new folder
 Retype the Name if you want

16
Printing a Web Page

Print Preview
◦ View the page before printing
17
Printing a Web Page

Use the Print
dialog box to set
print options
18
Searching For Information
Search options:
 Enter keywords in the Address bar
 Enter keywords in the Search box
 Use search engines
◦
◦
◦
◦
Google
Yahoo!
Ask
Live
19
Searching For Information
Keywords
Search button
Search results are
links
20
Online Security
Safe sites
 http vs. https
 Lock icon & certificates
 Demos

21
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

22
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.
23
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

24
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

25
Exiting Internet Explorer

If more than one tab is open, you will be
prompted to close all tabs or cancel
26