Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
What is a Geographic Information System?

### Response:
A Geographic Information System (GIS) is a computer system used to capture, store, analyze, and present spatial or geographic data. GIS technology is used in a variety of different fields such as cartography, engineering, public safety, transportation, and urban planning. GIS allows users to visualize, analyze, and interpret spatial data, allowing for better decision making.