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_________ is particularly appealing when the human’s hands or eye are otherwise occupied.

(a) Voice recognition

(b) Sound recognition

(c) Amplitude recognition

(d) Frequency recognition

I have been asked this question in an international level competition.

The query is from Communication with IOT Devices with Voice Commands in portion Communicating with IoT Devices : Exploring Future User Interface of IOT

1 Answer

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Right answer is (a) Voice recognition

For explanation I would say: Voice recognition is particularly appealing when the human’s hands or eye are otherwise occupied. For example, it may not only convenient but also a legal requirement to use verbal commands.

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