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The internet


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The internet

  2. 2. OBJECTIVES:Understand Basic WebTerminologiesDiscover the history of theInternet and the World WideWebLearn the common means ofaccessing the web
  3. 3. WEB DESIGN TERMINOLOGIESNetwork – several computersconnected together with purpose ofsharing resources including data,information and hardware.Internet – worldwide collection ofcomputers interconnected to oneanother either wired or wirelessincluding all computers that we use athome, in schools, offices and manyother places.
  4. 4. WEB DESIGN TERMINOLOGIESWorld Wide Web – a collection ofresources and informationinterconnected via the internet.Web page – a formatted page within awebsite that may contain text,graphics, video and multimedia.
  5. 5. WEB DESIGN TERMINOLOGIESHome page - usually the first webpage of the website which usuallyprovides information about thewebsite, its purpose and contents.Splash page – may precede thehomepage. It usually containsmultimedia which is designed to beattractive and intriguing in order tocreate curiosity and invite anyone tosee its contents.
  6. 6. HISTORY OF THE INTERNETDARPA (Defense Advanced ResearchProject Agency) – an agency of the USDepartment of Defense for thedevelopment of new technology formilitary use.ARPA (Advance Research ProjectAgency) – original name of DARPA.
  7. 7. HISTORY OF THE INTERNETPacket Switching – a networkcommunication method that splits thedata in chunks, called packets, thenreassembled in the correct order.
  8. 8. HISTORY OF THE INTERNETRobert Taylor – head of theInformation Processing Office inDARPALarry Roberts – from MassachusettsInstitute of TechnologyThe two initiated the project called theARPANET to build a working computernetwork.
  9. 9. HISTORY OF THE INTERNETThere are four interconnectedcomputers used I the ARPANETProject:1. University of California2. Stanford Research Institute3. University of Utah4. University of California
  10. 10. HISTORY OF THE INTERNETVinton Cerf and Robert Khan –formulated a common internetworkprotocol, which eventually become athe TCP/IP protocol.ANSNET (Advanced Network andServices)
  11. 11. HISTORY OF THE INTERNETICANN (Internet Corporation forAssigned Names and Numbers) – theone responsible for domain names,internet protocol, ip address and otherparameters.
  12. 12. HISTORY OF THE WORLD WIDE WEBTim Berners Lee in 1989 started theWWW.W3C (World Wide Web Consortium) –an organization that is willing to createstandards and ways to improve thequality of the web. It sets standards forHTML, XHTML, CSS and many otherapplications.
  13. 13. ACCESSING THE WEBCable Internet service provides high-speed Internet access through thecable television network via a cablemodem.DSL (digital subscriber line) provideshigh-speed Internet connections usingregular copper telephone lines.
  14. 14. ACCESSING THE WEBFiber to the Premises (FTTP) usesfiber-optic cable to provide high-speedInternet access to home and businessusers.Fixed wireless provides high-speedInternet connections using a dish-shaped antenna on your house orbusiness to communicate with a towerlocation via radio signals.
  15. 15. ACCESSING THE WEBCellular radio network offers high-speed Internet connections to deviceswith built-in compatible technology orcomputers with wireless modems.
  16. 16. ACCESSING THE WEBWi-Fi (wireless fidelity) network usesradio signals to provide high-speedInternet connections to compatible orproperly equipped wireless computersand devices.
  17. 17. ACCESSING THE WEBSatellite Internet service provideshigh-speed Internet connections viasatellite to a satellite dish thatcommunicates with a satellite modem.
  18. 18. InternetWifiWeb pageHome pagew3cDSLPacketSwitchingICANNCable InternetSplash screen
  19. 19. ACTIVITY 1. IDENTIFICATION1. A worldwide collection of computersinterconnected to one another either wiredor wireless including all computers that weuse at home, in schools, offices and manyother places.2. Network uses radio signals to provide high-speed Internet connections to compatible orproperly equipped wireless computers anddevices.
  20. 20. 3. A formatted page within a websitethat may contain text, graphics, videoand multimedia.4. Usually the first web page of thewebsite which usually providesinformation about the website, itspurpose and contents.
  21. 21. 5. An organization that is willing to createstandards and ways to improve the qualityof the web. It sets standards for HTML,XHTML, CSS and many other applications.6. It provides high-speed Internet connectionsusing regular copper telephone lines.7. A network communication method thatsplits the data in chunks, called packets,then reassembled in the correct order.ACTIVITY 1. IDENTIFICATION
  22. 22. 8. The one responsible for domain names,internet protocol, IP address and otherparameters.9. A service provides high-speed Internetaccess through the cable television networkvia a cable modem.10. May precede the homepage. It usuallycontains multimedia which is designed tobe attractive and intriguing in order tocreate curiosity and invite anyone to see itscontents
  23. 23. ANSWERS:1. Internet2. Wifi3. Web page4. Home page5. w3c6. DSL7. Packet Switching8. ICANN9. Cable Internet10. Splash screen/splash pageWrite corrected by; with your complete name. makesure you check correctly
  24. 24. ACCESS PROVIDERSAn access provider is a business that providesindividuals and organizations access to the Internetfree or for a fee.Access providers are categorized as regional ornational ISPs, online service providers, andwireless Internet service providers.
  25. 25. ISP AND OSP ISP (Internet service provider) is a regional or nationalaccess provider. A regional ISP usually provides Internet access to aspecific geographic area. A national ISP is a business that provides Internetaccess in cities and towns nationwide. OSP (Online service provider) also has manymembers-only features such as instant messaging ortheir own customized version of a Web browser. The twomore popular OSPs are AOL (America Online) and MSN(Microsoft Network).
  26. 26. INTERNET ADDRESS IP address, short for Internet Protocol address, is anumber that uniquely identifies each computer ordevice connected to the Internet. IP address Domain name
  27. 27. DOMAIN NAMES Domain name system (DNS) is the method that theInternet uses to store domain names and theircorresponding IP addresses. aero Aviation community members biz Businesses of all sizes cat Catalan cultural community com Commercial organizations, businesses,and companies coop Business cooperatives such as creditunions and rural electric co-ops edu Educational institutions gov Government agencies info Business organizations or individualsproviding general information
  28. 28. DOMAIN NAMES jobs Employment or human resourcebusinesses mil Military organizations mobi Delivery and management of mobileInternet services museum Accredited museums name Individuals or families net Network providers or commercialcompanies org Nonprofit organizations pro Certified professionals such as doctors,lawyers, and accountants tel Internet communications travel Travel industry
  29. 29. THE WORLD WIDE WEB The World Wide Web (WWW), or Web, consists ofa worldwide collection of electronic documents.Each electronic document on the web is called aWeb page, which can contain text, graphics,animation, audio, and video. Web pages usually have built-in connections toother documents.
  30. 30. THE WEBSITE AND THE WEB SERVER Web site is a collection of related Web pages andassociated items, such as documents and pictures,stored on a Web server. Web server is a computer that delivers requestedWeb pages to your computer.
  31. 31. THE WEB BROWSER Web browser, or browser, is application softwarethat allows users to access and view Web pages. Home page refers to the first page that a Web sitedisplays. Similar to a book cover or a table ofcontents for a Web site, the home page providesinformation about the Web site’s purpose andcontent.
  32. 32. KINDS OF WEB BROWSERS IE or Internet ExplorerA graphical web browser designed and develop byMicrosoft Corporation, it is the most popular internetbrowser used by more tan 60% of worldwide users.
  33. 33. KINDS OF WEB BROWSERS Mozilla FirefoxA free and open source web browser downloadablefrom running on Geckolayout engine. Developed by Mozilla Corporation,this is the second most popular web browser.
  34. 34. KINDS OF WEB BROWSERS SafariWeb browse for MAC OS developed and designedby Apple Inc using the WebKit engine.
  35. 35. KINDS OF WEB BROWSERS Google ChromeA vey new web browser from Google Inc, thecreator of the most popular search engine Google.
  36. 36. KINDS OF WEB BROWSERS OperaThe fifth most popular web browser. It was releasedin 1996. It is an Internet suite which includesphishing and malware protection.
  37. 37. KINDS OF WEB BROWSERS NetscapeThe most popular web browser in the 990’s and itsfurther development has bee stopped by its ownerAOL (America Online).
  38. 38. KINDS OF WEB BROWSERS FlockA new browser that supports Microsoft Windows,Mac OS X and Linux OS.
  39. 39. WEB ADDRESS A Web page has a unique address, called a URL(Uniform Resource Locator) or Web address. A Web browser retrieves a Web page using its Webaddress. DOMAIN NAME PATHWEB PAGE NAME
  40. 40. BASIC WEB DESIGN PRINCIPLES Balance – this concept has something to do withsymmetrical and asymmetrical arrangements of theobjects of the web page. Proximity – the placement of element with logicalrelationship close to each other. White Spaces – are blank spaces which are placedaround web page elements which allow readabilityof important texts and draw attention to images onthe web site. Contrast – a way to differentiate the elements of aweb page.
  41. 41. BASIC WEB DESIGN PRINCIPLES Focus – the element in the web site which shouldget the attention of the viewer first. Unity – the sense of agreement and harmony of allelements of the web site. Alignment – proper arrangement and positioning ofthe elements of the web site. It will facilitate properviewing, reading and navigating on the web site.
  42. 42. ESSENTIAL ELEMENTS OF WEB CONTENT Accuracy – ensuring the reliability of theinformation you publish on the web site. Readability – designing and composing thecontent of the web pages making them easilyaccessible and readable by the web audience. Understandable – presenting the contents of theweb page in a way the web viewer will easilycomprehend. Concise – using the least words to convey amessage on the Internet. Ethical and Legal – publishing a website that willnot get you into legal trouble.