Introduction to GIS

Front

What is GIS?

Back

Geographic Information Systems are computerized systems designed for the storage, retrieval, and analysis of geographically referenced data.

Front

What are the unique capabilities of GIS?

Back

GIS stores related geographic features in separate collections of files called map layers.

Front

What questions can GIS answer?

Back

Location, condition trends, patterns, and modeling.

Front

What is the scale of GIS data?

Back

Global to Local.

Front

What is vector data in GIS?

Back

Map Features and feature attributes.

Front

What are map features in GIS?

Back

Points, Lines, Polygons.

Front

What are feature attributes in GIS?

Back

Every feature has attributes, e.g., Name, area, population.

Front

What is raster data in GIS?

Back

Stored electronic image or picture taken as an aerial photograph or satellite image.

Front

Who were key figures in the early years of GIS?

Back

Roger Tomlinson, Howard T. Fisher, and Jack Dangermond (owner of ESRI).

Front

What are current and future GIS technologies?

Back

Desktop GIS, Mobile GIS, GIS Web Solutions.