Impact of Computer Science on E-commerce Development

E-commerce course: Fundamentals of E-commerce The Impact of Computer Science Upon the E-commerce

The Impact of Computer Science Upon the E-commerce E-commerce is based on electronic information technology, in which information storage, information exchange and information processing are all carried out by computers and Internet. Accordingly, the development of computer science and computer technology have a decisive effect on the development of e-commerce. Since the birth of the first computer with vacuum tubes, electronic devices have gone through the following steps: vacuum-tube circuit, transistor circuit, integrated circuit, large scale integrated circuit (LSI, for short) and very large scale integrated circuit (VLS1, for short).

With the improvement of electronic device manufacturing technology, there emerge minicomputers, large computers and parallel computers. The computer technology, the core of information technology, has gradually become mature after the development of half a century. The computer system is developing to become intelligent, integrated and comprehensive. The birth of multimedia technology enables computers to process various information, such as graphs, texts, voice and images. The success of specialized application software extends the application scope of computers from the single calculation to almost all application fields.

The new technology of computer network and data base a achieve the better share of software, hardware, and information resources within a shorter time, gathering and processing of information cooperatively within an extensive range. The global information revolution has been brought about by a series of breakthrough of digital technologies and the universality of computers and Internet. TCP (Transfer Control Protocol) / IP (Internet Protocol) translates the traditional network into the universal computer network. In addition, emergence and development of new technologies closely related to e-commerce, such as VPN (Virtual Private Protocol), Gigabyte Ethernet wiring system and modem, shape and urge the development of e-commerce.

The computer network has already become principal platform of e- commerce. The universality of TCP / IP greatly facilitates the transmission of information between the networks conveniently, lowers the cost of information acquisition; the emergence of routing technology and the continuous creative innovation of the routing algorithms give full play to network, thus comes the global outburst of Internet. At the same time, the rapid development of the intranet and extranet, based on IP, has turned into the foundation for enterprises to carry out e-commerce. The emergence of WWW technology leads to the boost in Internet users and makes online information more abundant, colorful, multimedialized and easy to accept. The wireless communication is heading for datamation and high bandwidth.

For instance, the GPRS technology can realize the bandwidth of 115 kbps, the 3G mobile communication technology can realize the bandwidth of 2 Mbps and WAP has been widely approved and put into application. Computer network system integrates the technologies of digitization, network and software, and makes telecommunication possible by computer network and computer intelligence node control technologys. It is the telecommunication that enables the rapid development of a series of long-distance applications, such as so called distance education and distance medical treatment etc.

Therefore, the implementation of e-commerce is closely related to the development of computer network, and it is the development of information technology that speedups the development of e-commerce. Computer languages have developed, from machine language, to assembly language, advanced language and even to the intelligence language, and many operating system softwares (e.g. DOS, Windows, UNIX, and Linux), business softwares (Office series, Windows series, LOTUS-1-2-3 series), application softwares (Oracle, Sybase, SQL Server, DB2 data bank system software etc.), specialized application softwares (CAD / CAM, MatLab and financial software) and integrated development softwares (e.g. Power Builder, JBuilder, Delphi).

All the above changes speedup software development, free people from the tiresome mental work of source code compiling to satisfy the basic need to assemble many basic software modules of excellent functions. The data base technology, the key technology of e-commerce, cannot only store all kinds of information (e.g. articles, transactions, and consumers) but also provide market information and decision-making basis by rearranging and analyzing data. The key factor to ensure the popularity of e-commerce is the security of information, for which various encryption technologys such as symmetric key encryption and public key encryption are developed to provide the basis of information privacy. In addition, technologys of firewall and intrusion detection keep information from being destroyed and stolen illegally.

If software design is compared to the construction of modern buildings, in the past it started by mixing pug, baking bricks, picking stones and burning concrete all by manual labors, while presently it is like the construction of a modern building with existing bricks, concrete, and a large number of prefabricated blocks by modern rooters, land scrapers, stirring mills and cranes. Accordingly, much energy can be concentrated on building design and construction management, which enables people to develop e- commerce software at their pleasure is the precondition for the popularity of e-commerce in all industries and work units of all sizes.

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