Document Type : Research Paper

Author

• Naser Mohammadi

Abstract

GIS or geographic information systems have been widely developed in educational, government and commercial sections. The term GIS is often used to describe a number of systems and operations.
This term can be complicated for beginners and newcomers because it seems to encompass
different definitions and cover different study areas and subjects.
This paper, with an introduction to the growing trend of geographic information systems, addresses the nature of the GIS and the history of its developments.