2016 · Q99
Consider the following statements on Global Positioning System (GPS):
- 1GPS allows accurate time- stamping on ATM transactions
- 2GPS relies on a set of satellites for transferring signals worldwide.
Which of the above statements is/are correct?
General SciencePhysics
- A1 only
- B2 only
- CBoth 1 and 2
- DNeither 1 nor 2
Explanation
GPS satellites carry atomic clocks, and their precise timing signals are used to timestamp ATM and financial transactions (1 is correct). GPS fundamentally relies on its constellation of 24+ satellites broadcasting signals worldwide (2 is correct). Hence both — option (C).