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。通過訪問網(wǎng)頁,用戶可以查看郵件數(shù)據(jù)庫,查閱自己喜愛的樂隊(duì)的圖片和他們的演出時(shí)間表,或去國外周游一圈。這些由不同的人和組織編寫和支持的在線文檔被稱為網(wǎng)頁。這些資源仍然可以通過網(wǎng)絡(luò)訪問,但是以前那些連接方式的局限性很大,現(xiàn)在的網(wǎng)絡(luò)提供了許多先輩們沒能提供的功能。在超媒體文檔中閱讀有關(guān)移動電話的文章時(shí),讀者可以選擇關(guān)于該電話的視頻演示,還能聽見鈴聲。網(wǎng)絡(luò)文章通過鏈接形成了一個(gè)網(wǎng)絡(luò)信息資源庫,用戶可以選擇路徑來瀏覽這些在線資源,這種行為通常被稱為“網(wǎng)上沖浪”。超文本文檔中的一些關(guān)鍵詞或短語被鏈接到了其他的在線文檔中。萬維網(wǎng)把這些計(jì)算機(jī)連接成了一個(gè)巨大的交互式多媒體資源庫,它是因特網(wǎng)上的計(jì)算機(jī)之間進(jìn)行信息交流的一種方式。Text 5 The World Wide WebThe World Wide Web (also known as WWW or Web) is one of the fastestgrowing Internet software applications. It is an architectural framework. It linked documents spread out over thousands of machines for accessing all over the Internet. The World Wide Web ties the puters together into a vast collection of interactive multimedia resources. The WWW is a way of exchange information between puters on the Internet.The Web is built around hypertext and hypermedia. A hypertext document has certain keywords or phrases linked to other online documents. A person reading a hypertext document about mobile phone, for example, might be able to select the highlighted word “Nokia 3310”, and he call up another document giving more information about that particular type. With documents intertwined by links into a web of information, you can select paths to browse online resources, a process often referred to as surfing.Hypermedia extends the concept of hypertext to other forms of information. They include: images, sounds, and even video clips. If a person read a hypermedia document about mobile phones, then he might select a video show of a phone and hear the ring of it.The World Wide Web also subsumes previous Internet information systems such as Gopher and FTP. These resources can still be accessed through the Web. But the Web offered by these more restricted connection methods. Now the Web provides a wealth of additional capabilities.Thousands of puters around the world are now connected to the Web. They offer a huge variety of information and services to visitors. These online documents are generally referred to as pages. They are posed and supported by various people and organizations. Web pages are available for an amazing variety of tasks ranging from the playful to the serious. You can get many services access Web pages. For example, you can search database of mailing lists, you can see pictures of your favorite band and their concert schedule, or you can take a “tour” through a foreign country. T