GPS and Computer Maps
Julia J. Quinlan
Library Binding
(Powerkids Pr, Jan. 15, 2012)
Explains how the GPS, or Global Positioning System, works. It discusses how and why the system was developed and how various devices use it. It also covers online map systems, such as Google Maps and MapQuest. The book deals with zooming in and out on such maps. It even explores the advantages and disadvantages of computer and GPS maps in comparison to paper maps.
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