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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


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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?