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Transcript
The Internet
Week 2
Introduction
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The largest computer network in the world
with more than 200,000 computer networks
Also known as “The Net” when a computer
connected with other networks for getting an
information.
The word internet comes from combination
between “interconnection” and “Network”
Generally nobody own internet.
Introduction: Brief History
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Internet began as a network when Advanced
Research Project Agency (ARPA) develop
ARPANET in 1969
Purpose: to connect researchers from 4
universities in USA.( Stanford Research
Institute, UCLA, UC Santa Barbara and
University of Utah
In 1980s the actual internet was born when
other networks connected with ARPANET.
Introduction: Brief History
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In 1982 the word internet started.
1986: First “freenet” created in Case Western
Reserve University
1991: US government allowed business
agencies to connect to internet.
Introduction: Brief History
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Now all peoples can connect to internet and
improve their life and work quality.
The internet support various aspects in our
life such as:
1: Internet For Discovery
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Allowed user (people) to access information
in database in difference locations. e.g:
information from virtual library and
information centre such as tourist
development centre of Malaysia (TDC).
The ability and facility of education,
government service, trading and business
world can be improved.
1: Internet For Discovery
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Discovery: By explore and navigate million
web pages in internet
Surfing process by using web browser
(Internet explore, Netscape Navigator, opera,
etc)
2. Internet For Communication
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Communication is a process transmitting and
receiving symbol, data, image, text,
document, graphic etc by using various
computer devices. (hardware and software)
Through communication people can share
and exchange information. Also influencing
and understanding each others.
2. Internet For Communication
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Communication including the process of
collecting, processing, distributing, sharing,
retrieving, transferring and storing the
information
Internet now being a main communication
tool. Using video conferencing, internet
phone, ICQ, Messenger, email etc.
3:Internet For Collaboration
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Workers in business organization now can
collaborating each other in handling works,
meetings, discussion and information
sharing.
Collaboration is about sharing works
between 2 or more individuals or groups in
finding the solution or task performing.
3:Internet For Collaboration
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Collaboration include not only workers in
organization but including external parties
like customer, supplier, competitor,
stakeholder to increase productivity and
competitiveness
Collaboration using computer application like
groupware, lotus notes, screen sharing and
others communication application.
Words In Internet World: WWW
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Refer to a hypermedia system. Can be
accessed by user with fast access and low
cost.
Creator: Timm Berners-Lee
Allow users to see texts and graphics. Also
audio, video and animation.
(www.apple.com)
Classified as one of service in internet
Words In Internet World: Web
Publishing
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Web publishing is a software to help user to
develop web page, edit and publish to
internet and intranet.
E.g. Microsoft Frontpage, Netscape
Composer and Publisher
Words in Internet World: Home Page
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Home page is a main page or first page view
to internet users after they type the personal
or organization internet address.
E.g. user type URL (Uniform Resources
Locator) address :www.uum.edu.my.
Users can explore other pages through home
page.
Words in Internet World: Home Page
Words in Internet World: Web Browser
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Web scanner or web navigator allows
internet users to scan and retrieve
information from world wide web.
E.g. Internet Explorer, Opera, Neo Planet
browser.
First web browser was develop in 1991:
Mosaic develop by Marc Andreesen.
Words in Internet World: Web Browser
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E.g of Web Browser
Words In Internet World: Search
Engine
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Search engine is a searching facility uses to
find related information as user need in
internet.
It help user to get information with fast and
easy.
Example of popular search engine: Google,
Yahoo, Hotbot. Ecite and lycos.
Words In Internet World: Search
Engine
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Popular search engines
Words in Internet World: Protocol
Protocol: Format that agreed to transfer data
between two devices.
Internet Protocol.
 Simple Nail Transfer Protocol (SMTP)
 Networks News Fail Transfer Protocol
(NNTP)
 Transmission Control Protocol (TCP);
Normally use together with IP
 Post Office Protocol (POP)
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Words in Internet World: Internet
Protocol
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Each computer connected to internet will has
a unique address known as internet number
or Internet IP
E.g. 161.189.78.17.
User do not need to remember the number
because IP number represented by Domain
Name System (DNS)
Words in Internet World: DNS
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Purpose: easy to remember web page address.
Represent numbers of IP address. E.g:
www.maxis.com.my.
Domain com refer to commercial and my refer
to geographic zone. E.g My- Malaysia
Question: Why web page registered in USA no
need country domain?? And why a part of
organizations in Malaysia have no organization
class domain such as www.usm.my ≠
www.uum.edu.my??
Words In Internet Worlds: HTTP
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HTTP stand for HyperText Transfer Protocol.
HTTP is a main protocol used in World wide
web for transfer information between
computer.
E.g. http://www.uum.edu.my
Words In Internet World: URL
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Stand for Uniform Resources Locator.
Allow internet users access a web page.
URL is a access code to identify locations of
hypermedia, document, database or other
sources in web page.
Words In Internet World: HTML
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Stand for Hypertext Markup Language.
HTML is a language uses to develop
hypertext document in WWW or intranet.
This language will determine connection
between web pages and view form of a web
page.
Words In Internet World: HTML
E.g. Hypertext Markup Language Document
Words In Internet World: Internet
Service Provider (ISP)
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ISP refer to company who provide internet
facilities.
User need to open an account to access
internet.
E.g. ISP in Malaysia: TMNet, Jaring,
Maxisnet.
Internet Services: Electronic Mail
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E-mail is a internet services for
communication
Allow users to send and receive mail in
electronic form
Like ordinary mail, email have address,
subject of latter and body of latter. E.g. e-mail
address [email protected]
Internet Services: Electronic Mail
Internet Services: Newsgroup
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News group is one of internet application
USENET Newsgroups: First newsgroup
introduced by Tom Truscott and Jim Ellis
Through newsgroup discussions can be
made globally –world wide
User can change information, experience
and opinion
Various topics can be discussed like politic,
sport, education, science etc.
Internet Services: Newsgroup
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E.g. Newsgroup provided by UUM web-mail
Internet Services: Video Conferencing
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Allow more than two people meet face to
face virtually at different location without
reality attendance
Benefit: to long distance communication
Chance to wide communication between
business, academicians, students etc
Internet Services: Video Conferencing
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NetMeeting from Microsoft
Internet Services: File Transfer
Protocol
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FTP is a facility to transfer files between
computers which connected to internet.
There are many application software's for file
transfer such as WS-FTP
Web browser also support FTP services.
Internet Services: File Transfer
Protocol
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FTP directory using Netscape Navigator
Internet Services: Telnet
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A terminal emulation program for TCP/IP
network
Allows real time connection between user
and remote computer.
User who want login to remote computer
need a hos account. Need login name and
password.
Internet Services: Telnet
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Telnet to access PSB UUM
Internet Services: Forum
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Category: Collaboration application
LotusNotes, Lotus Instant Teamroom and
Callabra are example of this application
Use for discussion between two and more
users.
What You Need to Use Internet at
Home
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Personal Computer
Modem- Internal and external model/
Wireless
Fixed line telephone
Internet Account with ISP
Benefits Using Internet
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Send and receive documents, texts, image,
graphic world wide with low cost, fast and
almost real time
As platform to change idea, information and
opinion. Also download various documents
and software’s.
Benefits Using Internet
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Participate in electronic commerce
Conduct research collaboration between
different nation.
As information, document, graphic and photo
resources.