Updated 26 Mar, 2017, 11:00 pm IST

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Glossary

GPS-Mobile Phones

GPS is a navigation system. Any GPS receiver contains a computer that "triangulates" its own position by getting readings from at least three satellites. The result is provided in the form of a geographic position - longitude and latitude - to, for most receivers, within an accuracy of 10 to 100 meters. Software applications can then use those coordinates to provide driving or walking instructions.

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