Computers: definition and uses

Definition:

• Computers are electronic devices for storing, manipulating, processing, and presenting digital data

Computer Systems are a combination of:

• Hardware
• Software
• Data
• Users

Thus, to put it in a GIS (Geographical Information System) perspective:

• Hardware
• GIS Software
• Spatial Data
• Users

Where are computers used? Basically, you name it, they're sticking computers in them these days. This includes (but is not limited to):

• cars
• busses
• trains
• microwave ovens
• atm machines
• cash registers
• watches
• TVs
• refridgerators
• etc....