Get the latest Multiple choice questions on IoT (Internet of Things). In this blog post, we have written the top IoT MCQ.
These IoT Multiple choice questions are very important for research, placements, and other exams.
IoT MCQ with answers
1. What are the limitations of an SoC’s internal RC oscillator
Accuracy and repeatability
Temperature
Change in temperature causes changes in RC values
Frequency changing with temperature
All the above
None of the above
2. The technology used in the national highways for collecting toll charges is
Wi-Fi
BLE
ZigBee
EPC
ISO 14443
ISO 15693
3. If the following are the parameters of ADC, Vref = 5V, and a 10-bit A/D output code is 0x1AB, what is the ADC input voltage?
2.084 V
2.085 V
2.086 V
2.087 V
4. What is the maximum step size that can be obtained using a 14-bit ADC with Vref of 3.3V?
0.3 mV
0.4 mV
0.2 mV
0.1 mV
6. For a Vref of 3.3V and 10-bit ADC, the controller is reading 0.0502V for the 15th step, and 0.0666 for the 20th step. Choose the suitable ADC error
Gain error
Offset error
INL
DNL
7. Which is a suitable micro-controller for simple sense (the sensor value) and send (upload sensor data to cloud) application
Arduino
NodeMCU
PIC micro-controller
MSP430
8. PUF is not used for authentication of the node or a device
True
False
9. Based on delay difference between 2 or more identical devices, output bits are generated from
Butterfly PUF
RO PUF
SRAM PUF
BusKeeper PUF
10. Which PUF cannot be implemented on commercially available SoC based IoT devices
RO PUF
SRAM PUF
ADC PUF
None the above
All the above
11. Which RFID/NFC standard is used in Libre Pro Sensor?
Felica
ISO/IEC 18000-3
ISO/IEC 15693
ISO/IEC 14443
12. In RFID, what is the function of the inventory command
To know which tags are nearby
To get the UUID of the targeted device
To read the desired device data by using UUID
All the above
None the above
13. When a WFI instruction is executed, if the newly arrived interrupt request has the same or lower priority as the current exception, the CPU will do one of the following:
Not wake up and will remain in pending state
Will wake up and execute interrupt service routine
14. What are the events that can wake WFI instruction from sleep
Debug events
Interrupt request with a higher priority
Interrupt request with lower priority
Halt debug event
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