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1. What is GIS?

Geographic Information System: an organized collection of computer hardware, software, geographic data, and personnel designed to efficiently capture, store, update, manipulate, analyze, and display all forms of geographically referenced information.

2. What is GPS?

Global Positioning System: a satellite based device that records x,y,z coordinates and other data. GPS devices can be taken into the field to record data while driving, flying, or hiking. Ground locations are calculated by signals from satellites orbiting the earth.