Commercial smartwatches and fitness trackers often come equipped with what type of sensors?Select one:a.Temperature sensorsb.Accelerometer onlyc.PPG or ECG, gyroscope, and accelerometerd.Blood pressure sensors
Question
Commercial smartwatches and fitness trackers often come equipped with what type of sensors?Select one:a.Temperature sensorsb.Accelerometer onlyc.PPG or ECG, gyroscope, and accelerometerd.Blood pressure sensors
Solution
The correct answer is c. PPG or ECG, gyroscope, and accelerometer. Commercial smartwatches and fitness trackers often come equipped with these sensors to monitor heart rate (PPG or ECG), detect movement (accelerometer), and determine orientation (gyroscope).
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