UPSC 2019 - Question 95

In the context of wearable technology,

which of the following tasks is/are accomplished by wearable derives?

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