Geographic Information System (GIS) is a computer based information system used to digitally represent and analyse the geographic features present on the Earth’ surface and the events (non-spatial attributes linked to the geography under study) …

What is a Map?A map is a graphic representation or scale model of spatial concepts. It is a means for conveying geographic information. Maps are a universal medium for communication, easily understood and appreciated by …

lthough the two terms, data and information, are often used indiscriminately, they both have a specific meaning. Data can be described as different observations, which are collected and stored. Information is that data, which is …