Internet of Things Interview Questions - 21 | Snaprecruit.com
Internet of Things Interview Questions - 21 | Snaprecruit.com
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Internet of Things interview questions part 21
Internet of Things interview questions part 21
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Total Questions: 20
1. ________ sensors measure the electrical change in devices such as conductive polymers.
A. Capacitive Sensor
B. Resistive Sensor
C. Thermal Conductivity
D. Both resistive and conductive
Show Correct Answer
Correct Answer is :
Both resistive and conductive
2. ________ sensors are suitable for environments that have high temperatures.
A. Capacitive Sensor
B. Resistive Sensor
C. Thermal Conductivity
D. Both resistive and conductive
Show Correct Answer
Correct Answer is :
Thermal Conductivity
3. Are capacitive sensors linear?
A. TRUE
B. FALSE
C.
D.
Show Correct Answer
Correct Answer is :
TRUE
4. Capacitive RH sensors dominate __________ measurements.
A. Atmospheric
B. Process
C. Both atmospheric and process
D. Neither atmospheric nor process
Show Correct Answer
Correct Answer is :
Both atmospheric and process
5. Two wire interface is also called as _________
A. UART
B. SPI
C. I2C
D. USART
Show Correct Answer
Correct Answer is :
I2C
6. I2c will address large number of slave devices.
A. TRUE
B. FALSE
C.
D.
Show Correct Answer
Correct Answer is :
TRUE
7. SDA is having a ____________transition when the clock line SCL is high.
A. high to low
B. low to high
C. low to low
D. high to high
Show Correct Answer
Correct Answer is :
high to low
8. Inter Integrated Circuit is a _____________
A. Single master, single slave
B. Multi master, single slave
C. Single master, multi slave
D. Multi master, multi slave
Show Correct Answer
Correct Answer is :
Multi master, multi slave
9. Typical voltages used are ___________
A. 5v
B. 3.3v
C. 5v or 3.3v
D. 2.5v
Show Correct Answer
Correct Answer is :
5v or 3.3v
10. What is the speed of I2C bus?
A. 100 kbits/s
B. 10 kbits/s
C. 75 kbits/s
D. 100 kbits/s and 10 kbits/s
Show Correct Answer
Correct Answer is :
100 kbits/s and 10 kbits/s
11. Master transmits means _________
A. Master node is sending data to a slave
B. Master node is receiving data from slave
C. Slave node is transmitting data to master
D. Slave node is sending data to master
Show Correct Answer
Correct Answer is :
Master node is sending data to a slave
12. Who sends the start bit?
A. Master receive
B. Master transmit
C. Slave transmit
D. Slave receive
Show Correct Answer
Correct Answer is :
Master transmit
13. Which is the I2C messaging example?
A. 24c32 EPROM
B. 24c32 EEPROM
C. 24c33 EEPROM
D. 24c33 EPROM
Show Correct Answer
Correct Answer is :
24c32 EEPROM
14. Are pull up registers required in I2C?
A. TRUE
B. FALSE
C.
D.
Show Correct Answer
Correct Answer is :
TRUE
15. How many types of addressing structures are there in I2C?
A. 4 types
B. 3 types
C. 2 types
D. 5 types
Show Correct Answer
Correct Answer is :
2 types
16. All operating modes work under ____________
A. 11 kbit/s
B. 100 kbit/s
C. 15 kbit/s
D. 150 kbit/s
Show Correct Answer
Correct Answer is :
100 kbit/s
17. Which mode is highly compatible and simply tightens?
A. Fast mode
B. High speed mode
C. Ultra fast mode
D. Both fast and high speed mode
Show Correct Answer
Correct Answer is :
Fast mode
18. What is the speed for fast mode?
A. 100 kbit/s
B. 400 kbit/s
C. 150 kbit/s
D. 200 kbit/s
Show Correct Answer
Correct Answer is :
400 kbit/s
19. What is the speed for fast mode?
A. 100 kbit/s
B. 3.4 Mbit/s
C. 150 kbit/s
D. 200 kbit/s
Show Correct Answer
Correct Answer is :
3.4 Mbit/s
20. Which protocol is used to link all the devices in the IoT?
A. TCP/IP
B. Network
C. UDP
D. HTTP
Show Correct Answer
Correct Answer is :
TCP/IP
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