CSC318 DYNAMIC WEB APPLICATION DEVELOPMENT CHAPTER: INTRODUCTION TO INTERNET I Siti Nurbaya Ismail Faculty of Computer & Mathematical Sciences, Universiti Teknologi MARA (UiTM), Kedah | A2-3039 | sitinurbaya@kedah.uitm.edu.my | 019-5710562 |

Introduction To Internet History of Internet What is the Internet? Uses of the Internet How does the Internet works? Markup Language & Scripting The World Wide Web Other Internet Applications Intranet Application

Internet History 2013 1995 1969 And, here were are ARPANET The first Internet Originally created by the IPTO under the sponsorship of DARPA Independent Organization Where there is no central control, administration, or management of the Internet And, here were are Internet are 24-7, assessable almost anywhere about anything Internet has become an integral part of our lives, with such powerful capabilities 2013 1995 1969

What is the Internet? Computer network the system in which a large number of separate but interconnected computers serve all of the needs a collection of interconnected networks network of networks that consists of millions of private, public, academic, business, and government networks, of local to global scope, that are linked by a broad array of electronic and optical networking technologies

Uses of Internet

How does the Internet works? At the most basic level possible, the diagram shows the step that brought the web page to your screen.

Markup Language & Scripting Markup Language is a modern system for annotating a text in a way that is syntactically distinguishable from that text  is a set of markup tags Scripting is a programming language that allows control of one or more software applications  "gluing" applications :achieve a higher level of programming and more rapid application development than system programming Standard Generalized Markup Language (SGML): HTML, XML Dynamic Hypertext Markup Language (DHTML): XHTML, CSS Perl PHP Coldfusion ASP, (ASP|VB).NET Java Technology: Applet, Java Servlet, JSP etc (again, ask Mr. Google to help you :-p)

The World Wide Web W3 = World Wide Web, allows computer users locate and view multimedia-based documents on almost any subject. Written in HTML Contain text, image, audio, video W3 was developed by Tim Berners-Lee of CERN (the European Organization for Nuclear Research) in 1990. He also developed several communication protocols as a backbone of the web. October, 1994 – Tim Berners-Lee founded W3C. The goal is to make the Web universally accessible, in terms of ability, language or culture.

The World Wide Web They also formed various standards known as RECOMMENDATIONS Extensible Hypertext Markup Language family of XML that mirror or extend versions of HTML XHTML Cascading Style Sheets style sheet language used to describe the presentation semantics (the look and formatting) of a document written in a markup language CSS HyperText Markup Language Predominant markup language for web pages Formatting text: headings, paragraphs, lists, links, quotes & ext Embed: images and objects(audio, video & ext) HTML Extensible Markup Language a set of rules for encoding documents in machine-readable form XML

Other Internet Applications Email The most popular service Take few (seconds | minutes) to be delivered Normally can be enclosed with attachment File Transfer Protocol (FTP) Common application to download file from Internet to user’s computer OR upload files to server

Other Internet Applications Instant Messaging The most popular Internet application Real-time conversation Example: FB Chat, Yahoo! Messenger, GoogleTalk, MSN Messenger, IRC, etc. Plug-ins Programs that extend capability of web browser

Other Internet Applications Discussion Forums A place where people discuss things or common interest Example: Anime, Sports, TV Series, etc Type 1: Newsgroups : Usenet Wide range of subjects Disseminate to computers around the world that run news server Available worldwide Type 2: Mailing List Based on email subscription Forum discussions will come straight to your email inbox

Other Internet Applications Voice over Internet Protocol (VoIP) Internet Telephony Make phone calls over the Internet Latest IM applications can be used to initiate VoIP call Required devices: (Client |Computer) equipped with microphone and speaker OR Traditional telephone with special adapter OR VoIP Phone Call charges: free OR less than normal phone call charges Can be used by individuals or business organizations

E-Commerce E-Business Buying and selling of (products | services) on the Internet The amount of trade increased dramatically B2C Business-to-Consumer Direct online sale between supplier and individual customer Example: Dell sells (desktop | notebook) to consumer, Amazon.com B2B Business-to-Business (B2B) Online transactions between businesses Example: Advertising companies sell services to business organizations C2C/P2P Consumer-to-Consumer / Peer-to-Peer Exchanges (between |among) consumers Example: eBay.com, mudah.com.my, etc. C2B Consumer-to-Business Individuals offer (products|services) to companies and the companies pay them Example: Freelance web designers sell services to companies

On-Line Banking Internet Banking Part of E-Commerce applications Allow customers to conduct financial transaction on a secure website and connection Advantage: customers do not need to be at the bank physically Disadvantage: vulnerable to risks (fraud, unauthorized access, identity theft, virus attacks) What you can do on Online Banking? Access your bank account Money transfer Bills payment OB in Malaysia maybank2u, CIMB Clicks, Bank Islam Internet Banking, Bank Rakyat

Intranet Application Intranet Intranet Application A PRIVATE computer network that belongs to a business, university, government agency or other organization that can be accessed ONLY by authorized persons, typically employees or other members of the organization Intranet Application Main purpose: share organizational information and computing resources among employees and others in the organization Authorized persons able to access the application from virtually anywhere such as from home or while traveling Example: Websites (internal application), FTP service, E-mail, etc

Bibliography(website) http://sitinur151.wordpress.com http://www.w3concepts.com/w3Main/GoverningTheNet.htm http://www.icann.org/tlds/ http://en.wikipedia.org/wiki/Top-level_domain http://en.wikipedia.org/wiki/Generic_top-level_domain http://en.wikipedia.org/wiki/Country_code_top-level_domain http://www.webdevelopersjournal.com/columns/ajs_who_controls_internet.html http://www.bellevuelinux.org/