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

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Presentation on theme: "Internet and Web Basics INST 5240 Mimi Recker Utah State University."— Presentation transcript:

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

2 Internet and Web Basics Layered Model ApplicationsEmailWebFTP... ProtocolsSMTP HTTP FTP TELNET NNTP... TransportTCP/IP DeliveryFiberSatelliteTelephone...

3 History o 1950s - ARPA formed o 1960 - ARPANET commissioned by DoD for research into networking. 4-node network established o 1972 - email established. 2000 users o 1984 - DNS introduced o 1991 - WWW released by CERN o 1993 - Mosaic released o 1995 - WWW becomes most popular Internet application o 1999 - Internet voted ‘technology of the year’

4 4-node Network (1969)

5 World-Wide Web o Internet application o Client-server model. Popular clients (browsers): Navigator and Explorer o Distributed o Multimedia o Dynamic and interactive o Cross-platform o Hypertext o Web documents marked-up using HTML (hypertext markup language)

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

7 Internet-based Instruction Supports: o Anytime/anywhere/anyone flexible learning o Access to unlimited resources o Access to new forms of communications and collaborations, new perspectives o Inquiry-based learning o Student publishing of projects o Others?

8 Same Different Same Different Online Communications Location Time

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

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