“INTRODUCTION”

Geographic Information System (GIS) is a computer based information system used to digitally represent and analyze the geographic features present on the Earth's surface and the events (non-spatial attributes linked to the geography under study) that taking place on it. The meaning to represent digitally is to convert analog (smooth line) into a digital form.

"Every object present on the Earth can be geo-referenced", is the fundamental key of associating any database to GIS. Here, term 'database' is a collection of information about things and their relationship to each other, and 'geo-referencing' refers to the location of a layer or coverage in space defined by the co-ordinate referencing system.
The term geo-referencing refers to defining the location, and other required features of any object, place, structure etc. in space defined by the co-ordinate referencing system.

The works on the GIS started in the late 1950’s but the credit of developing......

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Title: Geographic Information System
Approximate Word Count: 4856
Approximate Pages: 20 (250 words per double-spaced page)

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