GPS (global positioning system) is a global navigation satellite system providing
reliable navigation, positioning and timing services to worldwide on any time any place basis.It works in all weather, day and night, anywhere on or near the earth. GPS receiver use signals from satellite and get three dimensional locations (latitude, longitude, and altitude) plus the time.
GPS system saves precious time and fuel as well. By using this service you just need to punch address and GPS system will take care of the rest making your journey enjoyable and tension free. GPS system now comes built in vehicle or can be configured in vehicle to make your journey enjoyable. GPS system have map of every city and country so doest matter which state you are in just punch address and GPS system finds right location along with road map. There are basic type of navigation system allow user to choose from any of them according to their need.
Mapping Software: its used when you are familiar with place and this device tells you exact address, different approach to reach destination and its cost around 50$.
Mapping-GPS peripheral: Its a second type of GPS system it requires a pda , smart phone or a Blue tooth enable laptops connected to receiver. Its cost is higher than mapping software. Its cost around 200$.
Navigation systems: its cost around 1000$ and referred as In-vehicle system.