Unit 1（课件）-《电子商务英语》同步教学（大连理工大学出版社）

Learning Objectives Upon completion of this chapter, you will be able to: ● know the history of the Internet and the World Wide Web. ● understand the definition of e-commerce. ● compare traditional commerce and e-commerce. ● understand contemporary China’s e-commerce. Unit 1 Introduction to E-commerce Passage A The History of the Internet and the World Wide Web 1.1 　　The Internet had its roots during the 1960’s as a project of the United States Department of Defense, to create a non-centralized network. Businesses rapidly realized that by making effective use of the Internet they could tune their operations and offer new and better services to their customers, so they started spending vast amounts of money to develop and enhance the Internet. This generated violent competition among communication carriers and hardware and software suppliers to meet this demand. The result is that bandwidth of the Internet (i.e., the information carrying capacity of communication lines) has increased tremendously and costs have dropped. It is widely believed that the Internet has played a significant role in the economic success. Passage A 　　The World Wide Web (WWW) allows computer users to position and view multimedia-based documents (i.e., documents with text, graphic, animation, audio and video) on almost any subject. Even though the Internet has been developed more than five decades, the introduction of the WWW was a relatively recent event. In 1991, Tim Berners-Lee of CERN (the European Organization for Nuclear Research) developed the WWW and several communication protocols that form the backbone of the WWW. Passage A 　　The Internet and the WWW will surely be listed among the most significant and profound creations of humankind. In the past, most computer applications ran on stand-alone computers (i.e., computers that were not connected to one another). Today’s applications can be written to communicate among the world’s hundreds of millions of computers. The Internet