002 - Extension and density of networks Part 1

Syllabus Point

Examine (AO3) the changes in a transport, internet or telecommunications network in terms of the extension of links and nodes and the intensity of use at a national or global scale.

Key Terminology

http://www.netage.com/networks/network/images/un-directed-link.jpg

Define the terms above using the 'Command Term' posters in the classroom, the 'Global Interactions' text book by Guinness and the links provided.



Activity One - Watch


  1. Watch the clip below and write notes on the history of the internet. Below is a list of dates to look out for: 
      • 1960 - Marshall McLuhan (Canadian) stated the world would become a 'Global Village'.
      • 1970 - US Defence - ARPANET
      • 1989 - World Wide Web created by Tim Berners-Lee (British) 
      • 1993 - 60 countries accessed the internet 
      • 1998 - 147,800,800 users, 52% of those were in the USA 
      • 2001 - 326 million users, 67% English speakers 
      • 2003 - Skype developed by Zennstrom (Swedish) and Frils (Denmark) 
      • 2004 - 801 million users, 35% English speakers 
      • 2004 - Facebook developed by Zuckerberg 
      • 2009 - 1.464 billion users, 17% China, 15% USA

History of the Internet




    2. Where is the physical part of the internet?
    3. What socio-economic benefit does the internet bring? Record you ideas in the padlet for us to discuss as a group.



Activity Two - Skill

  • Using the graph below, describe the change in internet users within the UK.

http://brianconorbradley.files.wordpress.com/2011/04/uk-internet-usage-as-a-percentage3.png

  1. Why has there been in an increase in internet users in the UK?
  2. The graph above shows the overall increase in internet users in the UK since the 1990s but it does not illustrate any variations. What factors create the a 'digital divide'?
      • Use the 'Global Interactions' text book page 47 to help you.


   3. What impact does a severed cable have on net access? Read the article below to gain ideas.


Exam Style Question


For the aid of a national or regional example, discuss the changes in a transport, internet or telecommunications network in terms of the extension of links and nodes and the intensity of use. (10 marks)