CIS 1300 – Web Design SoftwareMichael J. Losacco The Internet An Overview
CIS 1300 – Web Design Software Services Internet Services –World Wide Web – –File Transfer –Newsgroups –Message Board –Chat –Instant Messaging
CIS 1300 – Web Design Software History Origination –ARPANET — Networking Project by Pentagon Advanced Research Projects Agency (ARPA) –Became Functional September 1969 –Renamed Internet in the Late 1980s –World Wide Web Proposed In 1989 Tim Berners-Lee
CIS 1300 – Web Design Software History Control –Public, Cooperative, & Independent Network –Internal Structure Public & Private Organizations Telephone, Cable, & Satellite Companies Governments –World Wide Web Consortium (W3C) Oversees Research, Sets Standards & Guidelines Tim Berners-Lee, Director
CIS 1300 – Web Design Software Internet Mechanics Access Providers –ISP (Internet Service Provider) –OSP (Online Service Provider) Member-only Features AOL MSN –Wireless
CIS 1300 – Web Design Software Internet Mechanics Addressing –IP (Internet Protocol) Address Identifies Each Device Connected to Internet Unique Number –2.7/3.7 Billion Used »Run Out in 2012 –IPv6 = 3.4 x v –Domain Name Text Version of IP Address
CIS 1300 – Web Design Software Internet Mechanics Addressing –TLD (Top Level Domain) Identifies Type of Organization ccTLD –Two-letter Country Code Outside US ICANN Assigns & Controls TLDs –DNS (Domain Name System) DNS Server –Translates Domain Name to IP Address
CIS 1300 – Web Design Software World Wide Web Collection of Electronic Documents –Worldwide Each Document is Called a Web Page –Contains Text, Graphics, Sound, Video –Contains Links to Other Pages Web Site –Collection of Related Web Pages
CIS 1300 – Web Design Software World Wide Web Web 2.0 –Allow Users to Modify Site Content –Way for Users to Share Personal Info –Have User Application Software Built into Site
CIS 1300 – Web Design Software World Wide Web Web Browser –Program that Allows You to View Web Pages Internet Explorer –Spent $1.25 B Netscape Mozilla –Firefox Safari
CIS 1300 – Web Design Software World Wide Web Web Addressing –URL (Uniform Resource Locator) Unique Address for Page Located on Web Server protocoldomainpath name
CIS 1300 – Web Design Software World Wide Web Site Types –Standard –Portal Search, News, Weather, Reference, Shopping –Blog (Web Log) Informal Journal / Diary Posts Reflect Interest & Opinion of Author
CIS 1300 – Web Design Software World Wide Web Site Types –Wiki Collaborative Site Users Create, Add, Modify, Delete Content –Content Aggregator Gathers, Organizes, Distributes Content RSS (Really Simple Syndication)
CIS 1300 – Web Design Software World Wide Web Multimedia –Graphics GIF, JPG, PNG –Audio MP3, WAV –Compression to 1 / 10 Original Size Streaming –Transfers Data in Continuous & Even Flow Podcast
CIS 1300 – Web Design Software World Wide Web Multimedia –Video MPG, AVI, MOV, WMV Vodcast –VR (Virtual Reality) Second Life, There –Avatar –Plug-in Programs that Extend Browser Capability
CIS 1300 – Web Design Software Other Internet Services E-Commerce –Shopping Cart Collect Purchases –Online Auction –Paypal Online Payment Service
CIS 1300 – Web Design Software Other Internet Services –Transmission of Messages Over Internet Messages May Include Attachments –Files, Graphics, Audio, Video –Virus –Volume 1.4 Billion Active Accounts Worldwide 183 Billion s Sent Daily in 2006 Radicati Group 10/06
CIS 1300 – Web Design Software Other Internet Services FTP (File Transfer Protocol) –Allows Upload / Download of Files Files Located on FTP Servers Use FTP Client Program to Access Mailing List –Topical Discussion Group –You Must Subscribe to a Mailing List Sent to Listserv Listserv Distributes to All Subscribers
CIS 1300 – Web Design Software Other Internet Services Newsgroup –Users Conduct Written Topical Discussions 65,000+ Topics –Stored on News Server –Usenet Entire Collection of Newsgroups
CIS 1300 – Web Design Software Other Internet Services Newsgroup –User Sends Message to Newsgroup AKA Article –Others in Newsgroup Read / Reply AKA Thread –Read with Newsreader Program –FAQ (Frequently Asked Questions) Find Out What is Appropriate for Newsgroup Same Questions do not Need Repeated Answers
CIS 1300 – Web Design Software Other Internet Services Message Board –AKA Discussion Board –Web-based Version of Newsgroup –Newsreader not Required Chat –Real-time Typed Conversation Discuss Topics of Interest –Chat Room Location on Server that Permits Discussion
CIS 1300 – Web Design Software Other Internet Services Instant Messaging (IM) –Real-time Typed Conversation –Indicate Who You Would Like to Speak With AKA Buddy List –Notifies When One or More People Online –Exchange Messages or Files
CIS 1300 – Web Design Software Other Internet Services Internet Telephony (VoIP) –Voice Communication Over Internet –Replaces Standard Telephone Service Vonage
CIS 1300 – Web Design Software Netiquette Code of Behavior –Emoticons & Smileys :-) :-( ;-) :-o :’-( :o) –CAPS –13-year-old Commits Suicide (10/06) Fake MySpace Profile Created to Start Relationship
CIS 1300 – Web Design Software Netiquette Flaming –58% Have Been Flamed Online 40% More than Once –53% Have Flamed Others Online 33% More than Once –35% Have Been Threatened Online 20% More than Once –58% Have Not Told Parents or Adult iSafe.org
CIS 1300 – Web Design Software Netiquette Flaming –15 % Receive Unwanted Sexual Communication During Past Year Included –Solicitations for Sex –Conversations About Sex –Questions About Bra Size »Or Other Personal Sexual Information Internet Solutions for Kids