Discovering Information Systems An Exploratory Approach Note:
This book was written in 1999 and last updated in 2003. Since
then technologies have changed so the non-conceptual and more
technical parts of the book may be out of date. Why Yet Another
Textbook (WYAT)? There are many excellent introductory
information systems (IS) texts on the market. Why then produce
our own text? Interestingly enough, when we sat down to
critically review the first year Information Systems curriculum,
the very last thing that we wanted was to get involved in
writing Where Am I: Navigation and Satellites How do we know
where we are? What happens if you are completely lost in the
middle of nowhere? Does technology provide tools for people lost
in their travels? A person cannot usually determine an accurate
position just by looking out a window in the middle of the ocean
or vast area of land, particularly if it has not been charted
before. In this lesson, students explore the concept of
triangulation that is used in navigation sa