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  • GPS stands for Global Positioning system,mainly devised to locate the place on earth.
  • A compatible device such as a smartphone or a dedicated navigation device has a built-in receiver chip that picks regular up signals from these satellites.
  • Each signal is time-coded so the device can calculate how far away it is from the satellite based on the time the signal takes to arrive. By combining the distances from at least four satellites, the device can calculate its position to within a few feet.
  • Now-a-days each electronic gadgets have been incorporate GPS feature. It helps in findind locations in cars,planes,Mobile phones etc.


  • GPRS stands for General Packet Radio Service, mainly devised for data communication between wireless devices. Data communication may include email,internet, MMS, SMS etc.
  • GPRS technology is slowly replaced by current CDMA and LTE based solutions.
  • GPRS is the sister technology of GSM (Global System for Mobile Communications) which is used for voice calls.
  • The key to GPRS is that it breaks data into small pieces known as packets. If there is a problem with the connection, the receiving device can issue a request for the missing packets to be resent without the need to start the entire data transmission again. This mirrors the way data transfers over the Internet.