UPSC Prelims 2019 · Question 45 of 99

UPSC Prelims 2019 question on Wearable Devices Uses

In the context of wearable technology, which of the following tasks is/are accomplished by wearable devices?

1. Location identification of a person

2. Sleep monitoring of a person

3. Assisting the hearing impaired person

Select the correct answer using the code given below.

  1. 1 only
  2. 2 and 3 only
  3. 3 only
  4. 1, 2 and 3
Show answer

Answer: D. 1, 2 and 3

Verdict

All three tasks are accomplished → Option (d).

Analysis

Wearable technology is a category of electronic devices that can be worn as accessories, embedded in clothing, implanted in the user's body, or even tattooed on the skin.

Task 1 – CORRECT: Location- and position-tracking sensors (i.e., GPS, altimeter, magnetometer, compasses, and accelerometers) are the most common type of sensors on wearable devices, such as activity trackers and smartwatches. Hence location identification is accomplished by wearables.

Task 2 – CORRECT: Fitness trackers, also known as activity trackers, are designed to monitor and track outdoor sport activities and measure fitness-related metrics, such as the speed and distance of running, exhalation, pulse rate, and sleeping habits.

Task 3 – CORRECT: Hearing-Aids is a category of hearables involving use of a microphone, speaker and amplifier. This amplifies sounds to help people with hearing impairment hear. Hence all the options are correct.

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