Internet Basics. Network Origins Packet of Information Node (network connection point)

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Presentation transcript:

Internet Basics

Network Origins Packet of Information Node (network connection point)

Network Research University of California, Los Angeles University of California, Santa Barbara Stanford Research Institute University of Utah Advanced Research Project Agency ARPAnet Internet

Network Expansion

Electronic Mail Use of a network to send and receive messages

The Parts of an Address Username: person’s real name, nickname or title Host name: name of organization, such as a company or institution Domain name: three-letter abbreviation of the type of organization

Quiz: Can you guess the domain name for this address? comgovedu

Correct! Harvard is an educational institution. Click to go on

What is the correct domain name for this address? netgovcom

Yes! Levis is a commercial organization. Click to go on

What is the domain name for this one? govmilorg

Right! The President is employed by the U.S. government. Click to go on

Can you determine this domain name? orgmilgov

Perfect! The Red Cross is a non-profit organization. Look up when done

Sorry, try again... Click to return to the question

Directed and Undirected Directed Undirected Mailing list

Newsgroups School Forum View MessagesPost a Message Message from the Principal No school today! To: All Teachers

Chat Room Synchronous and Asynchronous Communication Synchronous Asynchronous Online Chats Mike: Did you hear the news? Jill: No, tell me!

World Wide Web Futurekids Info

Internet Service Providers (ISPs)

Modems Modems translate data for transmission over telephone lines Bits per second = bps

Global Communications