Assume that you are a governor or a mayor responsible for managing a province or a city. Do you want;

•  to know what kind of resources you have and where they are ?

•  to receive necessary information on real time or near real time basis ?

•  to manage your resources at your Office ?

•  to know the position of your staff ?
  

We can multiply this questions regarding your responsibilities and the things you wish to manage.
If DATA OR INFORMATION  such as;

• Topographic Maps

• Cadastre Maps and Title-Deed Records

• Power / Energy Line maps

• Water / Waste Water Distribution / Drainage System Maps

• Public Transportation System Maps

• Natural Gas Distribution System Map

• Communication System

• Facilities Map ,

• City Improvement Master Plan ,

• City Improvement Implementation Plan ,

• Other Existing or Planned Engineering Projects etc.
  

which FORMS THE INFRASTRUCTURE OF

• All investment,

• Engineering projects and

• Emergency services.
  

aren’t integrated to each other, this can cause problems with position based (spatial) services .
For that reason; INFORMATION SYSTEM OR GEOGRAPHIC INFORMATION SYSTEM IS STRONGLY NEEDED TO :

• Manage all information  precisely & integrally,

• Reach fast , up-to date and accurate information on timely basis ,

• Analyse, query and report for the decision making mechanism ,

• Save time and resources,

• Make the data independent from individuals.
  

GIS can be defined as an organization of graphic and non-graphic data, HW, SW and personnel to

• Collect,

• Store,

• Process,

• Query,

• Analyse and

• Report.