Chapter 2A - The internet and the World Wide Web. This lesson introduces you to the keyboard and the mouse. You will learn the importance of these devices, the way the computer accepts input from them, and the many tasks they enable you to perform on your PC. | McGraw-Hill Technology Education Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved. Chapter 2A The Internet and the World Wide Web The Internet’s History 1969 – ARPANET Developed by the Department of Defense Connected universities and defense bases 1973 – ARPANET connects to Europe 2A- ARPANET 1973 2A- The Internet’s History Mid-1980s – NSFNet Network between supercomputers Internet was the link to ARPANET No commercial traffic allowed 1990s ARPANET shut down NSFNet abandoned Commercial networks take over 2A- 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. Today and the Future 100,000 new web sites per month More than 50% of . households online Access is available throughout the . Eventually access will be global 2A- . Internet Growth 2A- The Internet’s Major Services The World Wide Web (WWW) Developed in 1993 by Tim-Berners Lee Allowed connection of documents Required a browser to read documents Electronic mail (e-mail) Instantaneous transmission of documents 2A- The Internet’s Major Services News Often called newsgroups Electronic discussions on several topics File Transfer Protocol (FTP) Sends and receives files 2A- Teaching tip Show a typical news group to the students in class. Be sure that you have connected and downloaded all posts before trying the demonstration. Demonstrate the use of ftp to change a web site. The Internet’s Major Services Chat Public real time conversation Instant messaging Private real time conversation Peer-to-peer services Allows sharing of files among users Napster and Kazaa are examples Illegal to share copyrighted material 2A- Discussion point Recently the pop artist Madonna posted several copies of her songs on Kazaa and other file sharing services. Instead of music, she talked at length about copyright . | McGraw-Hill Technology Education Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved. Chapter 2A The Internet and the World Wide Web The Internet’s History 1969 – ARPANET Developed by the Department of Defense Connected universities and defense bases 1973 – ARPANET connects to Europe 2A- ARPANET 1973 2A- The Internet’s History Mid-1980s – NSFNet Network between supercomputers Internet was the link to ARPANET No commercial traffic allowed 1990s ARPANET shut down NSFNet abandoned Commercial networks take over 2A- 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. Today and the Future 100,000 new web sites per month More than 50% of . households online Access is available throughout the . Eventually access will be global 2A- . Internet Growth 2A- The Internet’s Major Services The .
