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Glossary of Computer and Internet Terms
A glossary of computer and Internet terms with definitions that are easy to understand.
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GIS (Geographical Information Systems) is the term for a collection of tools that collect and interpret information regarding the Earths surface. It is used to create maps and charts and 3D models which represent the Earth's surface. It is used by the Government to analyse growth of cities or by the police to work out fast routes from one place to another. It can also be used to assist in the computer generation of landscapes.