Question

Wearable fitness tracking devices use which technology to determine user activity levels?

a. Accelerometers
b. GPS
c. Heart rate monitors
d. Gyroscopes

Answer 1

Wearable fitness tracking devices use accelerometers to determine user activity levels.

Step-by-step explanation:

Wearable fitness tracking devices use accelerometers to determine user activity levels. Accelerometers are sensors that measure the acceleration of an object. In the case of fitness trackers, they can sense the movements and vibrations of the user's body to detect various activities such as walking, running, or sleeping.