Unit 5 Internet.ppt
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1、Internet大连理工大学出版社大连理工大学出版社Passage One Internet A Magic WorldTraining target: In this part, our target is to train your reading comprehension. We have made the flexible sentences strong black and marked the subject, predicate and have object of them. Try to grasp the main idea of these sentences.主语、谓
2、语、宾语大连理工大学出版社大连理工大学出版社Passage One Internet A Magic WorldInternet is a giant global and open computer network, which is a collection of interconnected networks. It is also a way to exchange information and share resource between international computers.The original Internet is ARPANET(Advanced Resear
3、ch Projects Agency Network ) , which was established by U.S. Department of Defense in 1969. The ARPANET was used to share data between some separated military institutes and universities in region. By 1972 the network had expanded to incorporate 40 nodes. Many U.S. government agency networks had bee
4、n linked by ARPANET, and because the networks were of a disparate nature, a common network protocol called TCP/IP (Transmission Control Protocol&Internet Protocol) was developed and became the standard for inter-networking military computers. interconnect v.互联international adj. 国际的military adj. 军事的,
5、军用的node n. 节点protocol n. 协议大连理工大学出版社大连理工大学出版社Passage One Internet A Magic WorldWhen the U.S. was developing their national net, the other countries were developing too. At the end of 1980s, interlinkage of different countries computer net appears. After that there were countries joining in every yea
6、r and getting to form the present Internet. It is growing so quickly that nobody can say exactly how many users are “On the Net” now.Once your computer makes a connection with the Internet, you will find that you have walked into the largest repository of informationa magic world. The following are
7、the important service functions that Internet provides.repository n. 仓库,资源丰富的地方大连理工大学出版社大连理工大学出版社Passage One Internet A Magic World1.E-mailThe most widely used tool on the Internet is electronic mail or E-mail. E-mail enables you to send messages to Russian, Japan and so on, no matter how far betwee
8、n individuals. E-mail messages are generally sent from and received by mail serverscomputers that are dedicated to processing and directing E-mail. As a very convenient and inexpensive way to transmit messages, E-mail has grammatically affected scientific, personal and business communications. In so
9、me case, E-mail has replaced the telephone for conveying messages.mail server 邮件服务器dedicate to 用作,奉献大连理工大学出版社大连理工大学出版社Passage One Internet A Magic World2.File transferFile Transfer Protocol (FTP) is a method of transferring files from one computer to another over the Internet, even if each computer
10、has a different operating system or storage format. FTP is designed to download files (e.g. receive from the Internet) or upload files (e.g. send to the Internet). The ability to upload and download files on it is one of the most features the Internet offers. This is especially helpful for those peo
11、ple who rely on computers for various purposes and who may need software drivers and upgrades immediately. Network administrators can rarely wait even a few days to get the necessary drivers that enable their network severs to function again. The Internet can provide these files immediately. downloa
12、d v. 下载upload v. 上传upgrade n. 升级, 软件升级大连理工大学出版社大连理工大学出版社Passage One Internet A Magic World3.The World Wide WebThe World Wide Web (WWW), which Hypertext Transfer Protocol (HTTP) works with, is the fastest growing and most widely-used part of the Internet. The WWW is a way to exchange information betw
13、een computers and the Internet. Hyperlink makes the Internet easy to navigate. It is an object (word, phrase, or picture) on a Web page that, when clicked, transfers you to a new webpage. One of the main reasons for the extraordinary growth of the Web is the ease in which it allows access to informa
14、tion. One limitation of HTTP is that you can only use it to download files, and not upload them.hypertext n. 超文本hyperlink n. 超链接extraordinary adj. 特别的, 非常的大连理工大学出版社大连理工大学出版社Passage One Internet A Magic World4.TelnetTelnet allows an Internet user to connect to a distance computer and use that compute
15、r as if he or she were using it directly. To make a connection with a Telnet client, you must select a connection option: “Host Name” and “Terminal Type”. The host name is the IP address (DNS) of the remote computer to which you connect. The terminal type describes the type of terminal emulation tha
16、t you want the computer to perform. telnet 远程登录terminal n. 终端emulation n. 竞争大连理工大学出版社大连理工大学出版社Passage One Internet A Magic World5.BBSAnother interesting application for Internet is the Electronic Bulletin Board which is also called Bulletin Board Service, BBS for short. It allows users to post and r
17、etrieve messages that are not directed to a specific user, much like announcements are posted on an office bulletin board. BBS has been used for everything from dating services to want ads.The Internet has many new technologies, such as global chat, video conferencing, free international phone and m
18、ore. The Internet becomes more and more popular in society in recently years. So we can say that Internet is your PCs window to the rest of the world. Electronic Bulletin Board 电子公告板retrieve v. 取回,收回video conferencing 电视会议大连理工大学出版社大连理工大学出版社Passage One Internet A Magic Worldnode n. 节点 protocol n. 协议d
19、ownload v. 下载 upload v. 上传 upgrade n. 升级,软件升级 host n. 主机hypertext n. 超文本 hyperlink n. 超链接terminal n. 终端 E-mail n. 电子邮件TCP/IP( Transmission Control Protocol/Internet Protocol) 传输控制协议和网际协议WWW (World Wide Web) 万维网FTP (File Transfer Protocol) 文件传输协议HTTP(Hypertext Transfer Protocol) 超文本传输协议telnet 远程登录BBS
20、 (Bulletin Board Service) 电子公告板DNS(Domain Name Server) 域名服务器video conferencing 电视会议Key Words大连理工大学出版社大连理工大学出版社Passage Two Website Design Training target: In this part our target is to train your reading speed. You should pay more attention to “keywords”. We have marked keywords in some paragraphs. Y
21、ou can quickly grasp the main idea of the sentences and paragraphs by these keywords, the rest can be practiced by yourself. It will raise your reading speed. 关键词大连理工大学出版社大连理工大学出版社Passage Two Website DesignMany people wish to create a flashy website. But creating a great website doesnt happen at the
22、 tips of the fingers, it happens in the depths of the brain. Outstanding websites result from extensive planning. Prior preparation saves time and avoids frustration both during page creation and when updates and additions are required. The three-step design tutorial will show you how to create a hi
23、gh-end attractive website. Step OneDetermining who use your site and their infor-mation needsSuccessful websites know who their customers are and why they visit, and they provide a responsive and attractive display to those viewers. Customers dont visit our site because we spend time creating it; cu
24、stomers deserve maximum benefit from the time they allocate to us. website n. 网站prior adj. 在先的, 优先的frustration n. 挫折,挫败tutorial n. 辅导,指导allocate v. 分配大连理工大学出版社大连理工大学出版社Passage Two Website DesignStep TwoEditing your webpage1. Establish an identity and use it consistently on all pagesViewers of our we
25、bpages should know exactly who we are, and after linking should know if theyre still on one of our sites pages. It doesnt mean every page looks the same, but the colors and graphics we use should be consistent throughout the website. Establish a theme or identifying characteristic for your website.2
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