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.
A1 only
B2 and 3 only
C3 only
D1, 2 and 3
Answer & Solution
Correct answer: D. 1, 2 and 3
UPSC CSE Prelims 2019 (GS-I, Set A), Q.95. Official answer key: D.
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