Chapter 2 The Internet and World Wide Web

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Chapter 2 The Internet and World Wide Web by Mind Map: Chapter 2 The Internet and World Wide Web

1. History

1.1. ARPA - US Dept of Defense - Advanced Research Projects Agency

1.1.1. allowed scientists to share in different places around the world

1.1.2. function if part of the network were disabled

1.1.3. ARPANET - Sept 1969 - linking scientific and academic researchers across US

1.1.3.1. 4 main computers - U of Cal at LA, U of Cal at Santa Barbara, Stanford Research Institute, Univ. of Utah

1.1.3.1.1. Each comp. host - known as a server today

1.1.3.1.2. Hosts use high speed communications to transfer data and messages over a network.

1.1.3.2. 1984 - had more than 1000 indiv. computers linked as hosts

1.1.3.3. Today - more than 500 millions hosts connect to the Internet

1.1.3.4. 1986 - Nat'l Sci Foundation - connected 5 supercomputer centers called NSFnet to ARPANET

2. How the Internet Works

2.1. worldwide collection of networks that links millions of businesses, government agencies, educational institutional and individuals.

2.2. one billion users around the world

2.3. Remains public, cooperative and independent

2.4. Connect with dial up or broadband - DSL, FiOS - Fiber, or Satellite

2.5. New node

3. Other Internet Services

4. E-Commerce

5. The World Wide Web

6. Netiquette