1.What is GIS?

A GIS is a computer system capable of capturing ,storing,manipulating,assembling,displaying,analysis geographically referenced information.With GIS ,users can create interactive queries,analyize spatial data,edit data,integrate maps and present the results of these tasks.

2.what are the components of GIS?

Components are: 1.Hardware

                                 2.Software

                                 3.Geospatial Data

                                 4.Procedures   

                                 5.People