The Internet

Week 2

Introduction

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

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

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

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

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

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

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

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

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

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

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

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

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

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

E.g of Web Browser

Words In Internet World: Search Engine

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

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)

Words in Internet World: Internet Protocol

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

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

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

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

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)

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

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 s12345@e-web.uum.edu.my

Internet Services: Electronic Mail

Internet Services: Newsgroup

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

E.g. Newsgroup provided by UUM web-mail

Internet Services: Video Conferencing

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

NetMeeting from Microsoft

Internet Services: File Transfer Protocol

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

FTP directory using Netscape Navigator

Internet Services: Telnet

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

Telnet to access PSB UUM

Internet Services: Forum

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

Personal Computer Modem- Internal and external model/

Wireless Fixed line telephone Internet Account with ISP

Benefits Using Internet

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

Participate in electronic commerce Conduct research collaboration between

different nation. As information, document, graphic and photo

resources.