Internet and Web Basics
INST 5240
Mimi Recker
Utah State University
Internet and Web Basics
Layered Model
Applications
Protocols
Email
SMTP
Transport
Delivery
Web
HTTP
FTP
FTP...
TELNET
NNTP...
TCP/IP
Fiber
Satellite
Telephone ...
History
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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-node Network (1969)
World-Wide Web
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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)
Questions?
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Everything you ever wanted to know
about the Internet/Web…but were afraid
to ask.
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?
Online Communications
Location
Same
Same
Time
Different
Different
Difficulties
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Isolation and motivation of distanced
learner
Reading text on screen
Information overload
Disinformation
Information access and literacy
Others?