What is gis technology?

GIS (Geographic Information System) is the product of many disciplines. Based on geographical space, it provides all kinds of spatial and dynamic geographical information in real time by using geographical model analysis method. It is a computer technology system for geographical research and geographical decision-making. Its basic function is to convert tabular data (whether from database, spreadsheet file or direct input program) into geographic graphic display, and then browse, operate and analyze the display results. Its exhibition range can range from intercontinental map to very detailed block map, including population, sales, traffic routes and so on.