GPS is a very well-known word, which stands for Global Positioning System. However, some people might think GPS is just the little device that you plug in your car or the small chip built-in the cellphone. Well, I used to think this way. Actually, GPS is just a bunch of satellites.
But what is GIS?? 3 years ago, when I was entering the university program, I had no idea why I was coming to this department. Interesting stuff? No! Easy to find a job? Maybe. GIS is the thing that changed all my mind. Or I should say "The GIS knowledge that is not from the university changed my mind!"
GIS is the interface of GPS signal. GIS stands for Geospatial Information System. When you buy a GPS device for your automobile, you will turn on the device. The mapping thing displayed on the screen belongs to the GIS components. Or most easily, google map.
the GPS device in the automobile is actually very advanced, because it uses a GPS receiver built-in the little screen device, and use the sensor built-in to get the signal from those satellites. Then it transformed the code from the signal to computer-readable code (maybe it doesn't). Then the small computer within the device reads it and communicate with the database built in the device. Then display with the map.
detailed things are too complicated, if ur interested, you can send me an email to philweigeomatics@gmail.com. I am not an expert. I am the same as you, just somebody who is interested in learning and using it
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