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Lecture Computer literacy - Lecture 07: Internet Basics

After studying this chapter you will be able to understand: What do you know about disk format? What is disk fragmentation? What is the purpose of device manager? What happens when we perform disk clean up? What do you mean by burning a CD? | Internet Basics ADE100- Computer Literacy Lecture 07 Knowledge test What do you know about disk format? What is disk fragmentation? What is the purpose of device manager? What happens when we perform disk clean up? What do you mean by burning a CD? Topics covered Introduction to Internet and World Wide Web Internet browsing applications Web addresses and links Interfacing with the Internet browser window Internet Internet A huge network of networks A global communication system that links together thousands of individual networks Internet provide services To exchange messages and communicate in real time (seeing messages & responses immediately) To share data, programs and access limitless store of information History of Internet 1969 – ARPANET Advanced Research Project Agency Developed by U.S Department of Defense Connected universities and defense bases The aim was to share computing resources Initially four primary host computers like servers 1973 – ARPANET Connected to Europe 2A-5 | Internet Basics ADE100- Computer Literacy Lecture 07 Knowledge test What do you know about disk format? What is disk fragmentation? What is the purpose of device manager? What happens when we perform disk clean up? What do you mean by burning a CD? Topics covered Introduction to Internet and World Wide Web Internet browsing applications Web addresses and links Interfacing with the Internet browser window Internet Internet A huge network of networks A global communication system that links together thousands of individual networks Internet provide services To exchange messages and communicate in real time (seeing messages & responses immediately) To share data, programs and access limitless store of information History of Internet 1969 – ARPANET Advanced Research Project Agency Developed by U.S Department of Defense Connected universities and defense bases The aim was to share computing resources Initially four primary host computers like servers 1973 – ARPANET Connected to Europe 2A-5 History of Internet Mid 1980s NSFNet (National Science Foundation) NSF funded the project when DOD stopped funding NSFNet is higher-capacity network than ARPANET Internet was the link between ARPANET, NSFNet and other networks (internetworking) Network between supercomputers Used for academic research No commercial traffic allowed A network backbone connects other elements of networks 2A-6 6 Discussion point Have students discuss the pros and cons of no central control for the Internet. Some discussion points can include copyright issues, free speech, advertisements and information access to all. History of Internet 1990s ARPANET shut down NSFNet was discontinued Commercial networks take over 2A-8 Today and the Future 100,000 new web sites per month More than 50% of U.S. households online Access is available throughout the U.S. Eventually access will be global U.S. Internet Growth 2A-9 2A-10 Major Services of Internet The World Wide Web (WWW) Developed in 1993 by Tim-Berners Lee at .