Introduction to the
World-Wide Web Class Notes
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WWW, W3, The Web
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G.U.I.: Graphical
User Interface
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Internet client-server hypertext distributed information
retrieval system:
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internet:
Any set of networks interconnected with routers.
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Internet:
The largest internet
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Client-Server:
'Conversation' is split between client
which sends data requests to server
which sends data.
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Distributed System:
Various parts which appear to the user to
be a single entity
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Fall 1997 - Aproximately 500,000
computers globally with about 100 million web
pages.
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Web Page: Unit
of data which is normally located on a server
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May contain text, graphics and other
formats like sound, animation, movies, etc.
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Accessed by a unique Universal
Resource Locator (URL)
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Standard for accessing data
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http://www.someplace.org/default.html
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access type:// --- host name -----
/ file
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Browser:
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Application: Complete,
self-contained program
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Program: list
of instructions
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Presents Hypertext
documents
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Links: allow
movement from one document to another - in the same or different site
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Hyperlinks: reference
from one document location to another
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Hypertext Markup Language: standard
for writing web pages - understandable by all browsers
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Version:
This will effect the capabilities of the browser