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Internet and Web Basics. INST 5240 Mimi Recker Utah State University. Internet and Web Basics. Layered Model. Applications Email Web FTP. Protocols SMTP HTTP FTP TELNET NNTP. Transport TCP/IP. Delivery Fiber Satellite Telephone . History. 1950s - ARPA formed

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Internet and Web Basics

INST 5240

Mimi Recker

Utah State University


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Internet and Web Basics

Layered Model

Applications Email Web FTP...

Protocols SMTP HTTP FTP TELNET NNTP...

Transport TCP/IP

Delivery Fiber Satellite Telephone ...


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History

  • 1950s - ARPA formed

  • 1960 - ARPANET commissioned by DoD for research into networking. 4-node network established

  • 1972 - email established. 2000 users

  • 1984 - DNS introduced

  • 1991 - WWW released by CERN

  • 1993 - Mosaic released

  • 1995 - WWW becomes most popular Internet application

  • 1999 - Internet voted ‘technology of the year’



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World-Wide Web

  • Internet application

  • Client-server model. Popular clients (browsers): Navigator and Explorer

  • Distributed

  • Multimedia

  • Dynamic and interactive

  • Cross-platform

  • Hypertext

  • Web documents marked-up using HTML (hypertext markup language)


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Questions?

  • Everything you ever wanted to know about the Internet/Web…but were afraid to ask.


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Internet-based Instruction

Supports:

  • Anytime/anywhere/anyone flexible learning

  • Access to unlimited resources

  • Access to new forms of communications and collaborations, new perspectives

  • Inquiry-based learning

  • Student publishing of projects

  • Others?


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Online Communications

Location

Same

Different

Same

Time

Different


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Difficulties

  • Isolation and motivation of distanced learner

  • Reading text on screen

  • Information overload

  • Disinformation

  • Information access and literacy

  • Others?


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