UPSC Prelims 2019 GS Paper I · Q95 / 100 General Science easy

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. (a) 1 only
  2. (b) 2 and 3 only
  3. (c) 3 only
  4. (d) 1, 2 and 3 ✓ UPSC's answer

Why the answer is (d)

• Wearables are body-worn electronic devices with sensors and connectivity.

• GPS-enabled smartwatches and trackers identify a person's location (1); fitness bands and rings monitor sleep stages via movement and heart rate (2); hearing aids, cochlear implants and smart glasses with live captions assist the hearing impaired (3).

• All three are established uses.

• Hence 1, 2 and 3, option (d).

Why the other options are wrong

(a) 1 only
Sleep monitoring and hearing assistance are also wearable functions.
(b) 2 and 3 only
Location tracking is a basic wearable function.
(c) 3 only
Location and sleep tracking are also done by wearables.

Asked in the GS Paper I of the UPSC Civil Services Preliminary Examination 2019, held on 2 June 2019. Question and answer key: Union Public Service Commission. Explanation: UPSC Answer Check.

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