IoT Sensors and Devices
Authored by Ms. ECE-STAFF
Design, Computers, Professional Development
University
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20 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
___ is an input device that provides an output (signal) with respect to a specific physical quantity (input).
transmitter
signal
sensor
IoT
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which of these do not require any external power signal and directly generates output response?
Sensors
Passive Sensors
Active Sensors
Microcontroller
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of sensor is shown in the figure?
Passive sensor
Active sensor
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Guess the type of sensor from the figure shown.
PIR sensor
ultrasonic sensor
rainfall sensor
smoke detector
5.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
Which of these is a touch sensor?
None of these
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of these is a non-contact type of sensor?
Ultrasonic sensor
PIR sensor
Touch Sensor
both A and B
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the output voltage when the smoke is detected through the MQ-2 sensor?
High
Low
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