Web Development

Web development is a broad term for any activities related to developing a web site for the World Wide Web or an intranet. This can include e-commerce business development, web design, web content development, client/server-side coding, and web server configuration.

However, among web professionals, "web development" usually refers only to the non-design aspects of building web sites, e.g. writing markup and coding. Web development can range from developing the simplest static single page of plain text to the most complex web-based internet applications, electronic businesses, or social network services.

Information Processing Systems

Web technologies are used to produce not just simple personal or promotional Web sites containing informative, interesting, or entertaining material for public consumption. Rather, they are becoming important means for supporting the foundational "business processes" of modern organizations -- the underlying operational and management-support functions. The technical infrastructures for supporting these purposes are roughly classified into three types of Web-based systems, termed

• intranets,
• internets, and
• extranets.

1) Intranet : Intranets are private, internal systems to help carry out the day-to-day information processing, management information, and work-flow activities of organizations. Web-based intranets service the standard internal business functions and in doing so impact basic organizational systems such as accounting and financial reporting systems, marketing and sales systems, purchasing and distribution systems, production systems, and human resource systems, among others. In time, Web-based intranets will become the primary technical means through which organizations function internally to carry out their business processes.

2) Internet : Internets are public information systems. They include public sites that provide news, information, and entertainment; electronic commerce sites to market and sell products and services; governmental sites to inform or service the general public; and educational sites to provide local and remote access to education and training. In all sectors of society, public internets are providing goods, services, and information to the public through the World Wide Web and its associated networks and services.

3) Extranet : Extranets are business-to-business (B2B) systems that manage electronic data interchange (EDI) between business enterprises. These systems facilitate the flow of information between organizations -- between a company and its suppliers and between the company and its distributors -- to help coordinate the sequence of purchasing, production, and distribution. Electronic data interchange helps eliminate the paper flow accompanying business transactions by using Web technologies to transfer electronic documents for processing between computers rather than between people. As Web-based systems, EDI applications eliminate the difficulties of communicating information among different hardware and software platforms with inherently different information formats and with different protocols for exchanging information.

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