20070401210417kpt5033_k11
TRANSCRIPT
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The Internet and the Web
Large network that connects smaller
networks globally Launched in 1969
± National computer network
± US funded project called ARPANET
World Wide Web introducedin 1992 at C ERN
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The Internet and the Web
It is made up of wires, cables, and satellites.
The Web provides a multimedia interface for resources on the Internet.
It is also known as the World Wide Web(WWW).
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Common Internet Uses
Communicating
± Exchange e-mail ± Chat
± Vidoe conference
± IM
± Discussion Groups
Shopping Searching
Entertainment
Education or e-learning
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Access Providers
Common way to access the Internet
Commercial Internet Service Providers (ISP )± National
± Regional
± Wireless serviceproviders
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Browser
Basi
cs
Programs that provide access to Web resources or allow us to surf the Internet
Well-known browsers
± Netscape Navigator
± Mozilla Firefox
± Opera± Microsoft Internet Explorer
Address or location of the specified resource known as
URL
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URLs
Uniform Resource Locator
± All URLs have at least two parts
Protocol
Domain name
Locates Web sites
http://www.upsi.edu.my
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More on Browsers
Browsers interpret H TML commands± Hy pertext Markup Language
± Contained in a document
Display document as a Web page
The Web page provides links to other related pages.
A Web server stores and shares related Web pages.
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Communication
Most popular Internet activity
Types of communication± E-Mail
E-Mail Address
± Discussion Groups
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Transmission of electronic messages over theInternet
Basic parts± H eader
Address
Subject
Attac hment
± Message
± Signature
Instant Messaging
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E-Mail Address
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Return
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Discussion Groups
Mailing lists
Newsgroups
Chat groups
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Return
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Discussion Groups
Discussion groups use e-mail for
communication.
Mailing lists members communicate by
sending messages to a list address.
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Discussion Groups
Newsgroups use a special network of
computers called UseNet. Chat groups:
± Chat groups allow direct communication.
± Internet Relay Chat (IRC) is a popular chat
service.
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Discussion Group Terms
Someone who has comprehensive knowledge about a subjectWizard
A sequence of ongoing messages on the same subjectThread
Someone who aids new users by answering questionsSaint
Request for discussionRFD
Reading news but not joining in to contributeLurking
Insulting, putting down, or attackingFlaming
DescriptionTerm
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Sear ch Engines
Specialized programs to assist in locating
information Types of searches
± K ey word searc h
± Director y searc h
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Sear ch Engines
Yahoo¶s
search
engine
provides
keywords
and
directory
search
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Web Utilities
Web utilities are programs that make Internet
and Web access easier and safer. Telnet & File Transfer Protocol (FTP) are
Internet standards.
Plug-ins are programs that operate as a part
of the browser. Filters block access to selected Web sites.
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Web Utilities
Telnet
FTP Plug-ins
Filters
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Plug-in Source
Acrobat Reader www.adobe.com
Media Player www.microsoft.com
QuickTime www.apple.com
RealPlayer www.real.com
Shockwave www.macromedia.com
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Summary
The Internet is a network that connects smaller networks.
The Web provides an interface for resources on the Internet.
The most common means to access the Internet is through an Internet ServiceProvider.
Browsers provide access to Web resources
The common types of Web pages are portals and directories, news andinformation, exploration and education, business, advocacy, and personal.
The most popular types of Internet communication are e-mail, instantmessaging, and discussion groups.
Search engines are used to locate information on the Web. Web utilities are programs that make Internet and Web access easier and
safer.
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Any Question @ Comment
Thank you
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Exer cise
Create your own email account:
± http://www.yahoo.com Send email with an attachment file.
± The email should contain Name & Student ID.
± The attachment file should contain school name & address.
± The email should send to the address below: