Exploring Microsoft Office 2003 Internet Explorer and the World Wide Web: Welcome to Cyberspace Robert Grauer and Maryann Barber Internetto Explorer and thethe WorldNext Wide Web: Welcome toof IT Experts. Committed Shaping Generation Cyberspace 1 Objectives (1 of 2) Define the Internet and brief history World Wide Web vs. Internet Structure of a Web address “Backing up within an address” Internet Explorer toolbar Returning to a Web site Distinguish between the History and Favorites lists Internet Explorer and the World Wide Web: Welcome to Cyberspace 2 Objectives (2 of 2) Using different or multiple search engines AND, OR, and NOT Downloading a picture from the Web E-commerce vs. traditional commerce Http and https protocols Define a cookie Internet Explorer and the World Wide Web: Welcome to Cyberspace 3 The Internet A network of networks Began in 1969 as ARPAnet (Advanced Research Projects Agency) No central authority and thus impossible to state the precise size The Internet is not free just because you do not pay for it Internet Explorer and the World Wide Web: Welcome to Cyberspace 4 Connecting to the Internet At Work or School Via a Local Area Network At Home Traditional Modem (56KB) Cable Modem DSL Modem Via the university’s network connection in the dorm Via Ethercard connected to the Data Jack via network cable Internet Explorer and the World Wide Web: Welcome to Cyberspace 5 The World Wide Web A subset of the Internet consisting of all computers with hypertext or hypermedia documents These documents contain references (links) to other documents which may be on a different computer anywhere in the world Began in 1991 at the European Particle Physics Laboratory (CERN) in Switzerland Internet Explorer and the World Wide Web: Welcome to Cyberspace 6 Terminolgy HTTP – HyperText Transfer Protocol is used to transmit Web documents HTTPS – Secure protocol for confidential transactions HTML – The language in which all Web documents are displayed TCP/IP – A suite of protocols that allows multiple platforms to communicate URL – Uniform Resource Locator Web Server – Computers that store hypertext and/or hypermedia documents and make them available to other computers Web Client – Personal computers that access files held by web servers Web Browser – Software application to locate and display web pages Internet Explorer and the World Wide Web: Welcome to Cyberspace 7 Microsoft Internet Explorer Menu Bar Toolbar File Edit View Favorites Tools Help Address Bar URL Back Button Forward Button Stop Refresh Home Search Favorites History Internet Explorer and the World Wide Web: Welcome to Cyberspace 8 The Exploring Office Web Site Internet Explorer is the browser Web address (or URL) HTTP protocol Internet Explorer and the World Wide Web: Welcome to Cyberspace 9 Hyperlinks The essence of the Web as you click on a link to more to the next document, which may be stored on a different computer Hyperlinks may contain text, graphics, sound, or video links Blue underlined fonts are unexplored Magenta links have been previously accessed www.microsoft.com www.microsoft.com Internet Explorer and the World Wide Web: Welcome to Cyberspace 10 The Web is always changing Address bar (address is constant, but the content changes) Print button Hyperlinks Internet Explorer and the World Wide Web: Welcome to Cyberspace 11 Uniform Resource Locator (URL) http://www.annex.com/southwest/museum.htm Document Path (Directory or Folder) Internet Address (Web site) Means of access, HyperText Transfer Protocol Internet Explorer and the World Wide Web: Welcome to Cyberspace 12 Domain Names Original Six: .edu (education) .com (commercial) .gov (government) .mil (military) .net (network administration) .org (non-profit) New domains: .biz (business) .pro (licensed professional) .info (information services) .uk (United Kingdom) .ca (Canada) .au (Australia) Internet Explorer and the World Wide Web: Welcome to Cyberspace 13 Examples of URLs My school: www.miami.edu Exploring Windows: www.prenhall.com/grauer My favorite site: www.refdesk.com Anti-virus updates: www.symantec.com Download software: www.tucows.com Internet Explorer and the World Wide Web: Welcome to Cyberspace 14 A message travels the Internet All that matters is the beginning and ending address Internet Explorer and the World Wide Web: Welcome to Cyberspace 15 Searching the Web Search Engines Web Directories Meta Search Engines Clearinghouse Internet Explorer and the World Wide Web: Welcome to Cyberspace 16 Search Engines A program that systematically searches the Web for documents on a specific topic Uses a key word or words as a query Several search engines are available Each search engine has its own database No search engine is best Uses Boolean (logical) operators Returns “hits” or documents once search has been submitted Internet Explorer and the World Wide Web: Welcome to Cyberspace 17 Suggestions for Searching Try multiple search engines on one query Be aware of logical operators - AND, OR, and NOT Search on a concept: e.g., “first ladies” rather than “Eleanor Roosevelt” Advanced Searches Set Bookmarks/Favorites Internet Explorer and the World Wide Web: Welcome to Cyberspace 18 Popular Web Search Engines http://www.altavista.com/ http://www.msn.com/ http://www.go.com/ http://www.excite.com/ http://www.lycos.com http://www.askjeeves.com/ http://www.webcrawler.com/ http://www.google.com/ http://www.yahoo.com http://www.search.com/ Internet Explorer and the World Wide Web: Welcome to Cyberspace 19 Web Site and Saving an Image Right click picture for context-sensitive menu Choose Save Picture As command Internet Explorer and the World Wide Web: Welcome to Cyberspace 20 Copyright Protection A copyright provides legal protection to a written or artistic work, give the author exclusive rights to its use and distribution Exceptions Credit your sources Public domain or Fair use exclusion Insert Footnote command Infringement of copyright Software piracy Downloading music illegally Internet Explorer and the World Wide Web: Welcome to Cyberspace 21 E-commerce The exchange of goods and services Buyer and seller Products and suppliers A place to “meet” Marketing to attract the buyer Accept and process the order All of these elements are present in ecommerce and traditional commerce Internet Explorer and the World Wide Web: Welcome to Cyberspace 22 Advantages of E-commerce For the Seller Open 24/7 Shoppers from anywhere Virtual inventory is cheaper and extensive Lower transaction costs Target your customers For the Buyer Open 24/7 Never leave home Easy to view and explore product line Comparison shop Web site knows you Internet Explorer and the World Wide Web: Welcome to Cyberspace 23 Security and Privacy Secure transactions https protocol Encryption Privacy Cookie is a small file written to your disk each time you visit a site Problem is when one site can read many cookies, e.g., DoubleClick.com Internet Explorer and the World Wide Web: Welcome to Cyberspace 24 Returning to a Previous Site History folder Favorites folder Internet Explorer and the World Wide Web: Welcome to Cyberspace 25 Organize Favorites Rename a favorite Create a new folder Move a favorite Delete a favorite Internet Explorer and the World Wide Web: Welcome to Cyberspace 26 Summary The Internet is a network of networks Internet Explorer and Netscape Navigator are browsers URL is located in the Address Box Hypertext and hypermedia contain links to other documents Connect through ISP or LAN or Dial-up Search Engines are the tools to find information; use multiple search engines Searches are based on Boolean operators Copyright Protection exists for Web Pages E-Commerce has benefits to both Buyer and Seller Secure Transactions are possible over the WWW Internet Explorer and the World Wide Web: Welcome to Cyberspace 27