A Geographic Information System (GIS) is An organized collection
of computer hardware, software, geographic data, procedures and
personnel designed to efficiently capture, store, update,
manipulate, analyze, and display all forms of geographically
Although, the focus of a GIS is on the computer component and is
most often used just for queries and map production the most
important component of of a GIS is the data and the users and the
procedures that act upon it.
A GIS is not just maps and pictures - it is a database of
geographic features and attributes describing those features. An
effective GIS is completely data-driven.
Want to know more ... ?
What is GIS?
(Software Vendor Definition)
GIS? (Academic Definition)
More GIS-related Links than you can handle ...
GIS Links and AGI
Dictionary (University of Edinburgh, UK)
GIS Links (University
of Utrecht, Netherlands)
(University of Maine, USA)
GIS Metadata (Bureau of
Land Management, USA)