In which of the following areas can GPS technology be used? 1. Mobile phone operations 2. Banking operations 3. Controlling the power grids Select the correct answer using the code given below:
- A. 1 only
- B. 2 and 3 only
- C. 1 and 3 only
- D. 1, 2 and 3
Answer: D
Explanation
Global positioning system applications generally fall into 5 major categories: 1. Location – determining a position 2. Navigation – getting from one location to another 3. Tracking – monitoring object or personal movement 4. Mapping – creating maps of the world 5. Timing – bringing precise timing to the world GPS’s accurate time facilitates everyday activities such as banking, mobile phone operations and even the control power grids by allowing well synchronized hand-off switching.