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Internet of Things and its Applications
: Security and Future of IoT Ecosystem
, What is the role of a microphone sensor in an IoT-based surveillance system?
What is the role of a microphone sensor in an IoT-based surveillance system?
A.
Measure air pressure
B.
Detect changes in temperature
C.
Record and analyze audio
D.
Measure humidity
Solution
C. Record and analyze audio
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