Question

3. A system used to know a receiver's location.
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Answer 1

Answer:

is known as robots is the correct answer of your question dear

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Answer 2

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global positioning system (GPS)

Powered by. The global positioning system (GPS) is a network of satellites and receiving devices used to determine the location of something on Earth. Some GPS receivers are so accurate they can establish their location within 1 centimeter (0.4 inches).