[計算機軟件及應用]計算機與網(wǎng)絡(已修改)
2025-12-15 02:32 本頁面
【正文】 SSD1: Introduction to Information Systems Unit 1: Using the Web Wang Liwei ISS, Wuhan University 2 The World Wide Web Introduce the World Wide Web and its workings. ?Using the Web ?What39。s in the Web? ?Introduction to HTML Forms and Servlets 3 Using the Web Surfing the Web Your Web Pages Clients, Servers, and URLs Searching the Web Commerce on the Web Some Ethical Considerations 4 Surfing the Web Inter World Wide Web Surfing Inter Service Provider ( ISP ) 5 Inter Inter is a puter work that connects millions of puters across a number of countries. There is no central authority that controls the Inter。 different anizations own different pieces of it. 6 History of the Inter The Inter es from ARPA created by the . Defense Advanced Inter Research Projects Agency (DARPA) in 1969. In 1983, ARPA split into ARPA and military MILNET, they are referred to as the early Inter backbone work. This year in January, Transport Control Protocol/Inter Protocol (TCP/IP) officially bee the standard protocol for ARPA. 7 History of the Inter In 1985, the National Science Foundation (NSF) provided huge amounts of money to build the five superputing centers. In 1987, NSF established its own puter work NSF based on TCP/IP protocol. In 1990, NSF pletely replaced the ARPA and bees Inter backbone. In 1995, the Inter began largescale mercial application in the field. 8 Characteristics of the Inter A work of works Informative and resourceful Fast and convenient Endless online activities Information diversity … 9 The main Inter service WWW (World Wide Web) ?WWW is used for Information collection and releasing ?Users can manipulate the mouse to find hypertext, hypermedia document provided by all sites built on WWW servers. 10 The main Inter service WWW 11 The main Inter service Email (Electronic mail) ?Email was one of the first uses
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