Geographic Information System Introduction

   Geographic Information System (GIS) is a computer-based system for mapping and analyzing things that exist and events that happen on earth. GIS technology integrates common database operations such as query and statistical analysis with the unique visualization and geographic analysis benefits offered by maps.

   GIS is a rapidly growing technology, it links the geographic features with their tabular data so that the analysis of real world problems become easy and understandable. GIS was innovated around 1960. Since then GIS has been growing fast in order to accommodate the market demand and the advances in technologies.