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_________ either built into smoke alarm and thermostat or in the form of small plug – in.

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_________ either built into smoke alarm and thermostat or in the form of small plug – in.

(a) Microphones

(b) Loudspeaker

(c) Microphone and loudspeaker

(d) Mic

The question was asked in an internship interview.

The question is from Communication with IOT Devices with Voice Commands topic in chapter Communicating with IoT Devices : Exploring Future User Interface of IOT

1 Answer

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Best answer
Correct choice is (a) Microphones

To elaborate: Environmental microphones either built into smoke alarms and thermostat or in the form of small plug in modules such as an electric air freshener.

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