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Internet and Web Basics

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

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  1. Internet and Web Basics INST 5240 Mimi Recker Utah State University

  2. Internet and Web Basics Layered Model Applications Email Web FTP... Protocols SMTP HTTP FTP TELNET NNTP... Transport TCP/IP Delivery Fiber Satellite Telephone ...

  3. 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’

  4. 4-node Network (1969)

  5. 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)

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

  7. 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?

  8. Online Communications Location Same Different Same Time Different

  9. Difficulties • Isolation and motivation of distanced learner • Reading text on screen • Information overload • Disinformation • Information access and literacy • Others?

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