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.
- (a) 1 only
- (b) 2 and 3 only
- (c) 3 only
- (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.