Ó
2002 Prentice Hall
2
Information Systems
w
An
information
system
is a set of interrelated parts
that work together to produce, distribute, and use
information products and services.
Information is the oxygen of
the modern age. It seeps
through the walls topped by
barbed wire, it wafts across
the electrified borders.
--
Ronald Reagan, 40
th
president of the United States