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Internet of Things Fundamentals
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Internet of Things Fundamentals
Internet of Things Fundamentals
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1
Question
Who coined the term "Internet of Things"?
Answer
B Kevin Ashton
2
Question
What year was the first patent for an RFID tag received?
Answer
B 1973
3
Question
Which device was an early example of connected objects in the 1980s?
Answer
C Coke Vending Machine
4
Question
What technology did the Auto ID Centre at MIT use to connect objects?
Answer
C RFID technology
5
Question
In which year did major publications highlight the potential of IoT in home automation and healthcare?
Answer
B 2004
6
Question
Who invented the barcode and in what year?
Answer
A Norman Joseph Woodland in 1945
7
Question
What does a sensor do?
Answer
B It senses and measures physical quantities and converts them into digital values.
8
Question
What does an actuator do?
Answer
C It receives control signals and performs physical actions.
9
Question
Give an example of a position sensor.
Answer
B Proximity sensor
10
Question
What type of sensor detects the presence of people or animals?
Answer
C Occupancy sensor
11
Question
Which sensor measures how fast an object moves or rotates?
Answer
C Velocity sensor
12
Question
What sensor type measures the force applied by liquids or gases?
Answer
A Pressure sensor
13
Question
Give an example of a biosensor.
Answer
B Blood glucose biosensor
14
Question
What type of actuator uses fluid pressure to create movement?
Answer
C Hydraulic actuator
15
Question
What type of actuator is used in electric recliners to adjust the angle?
Answer
B Linear actuator
16
Question
What type of actuator is used in automatic door openers?
Answer
D Rotary actuator
17
Question
How many layers are there in the IoT architecture?
Answer
B Four
18
Question
What is the first layer of IoT architecture?
Answer
C Sensing Layer
19
Question
Which layer handles data analytics and streaming analytics?
Answer
D Application Service Layer
20
Question
Which layer interconnects the real and physical world?
Answer
D Application Layer
21
Question
Which layer provides robust and high-performance network infrastructure?
Answer
A Network Layer
22
Question
Name a device found in the Sensing Layer.
Answer
C GPS
23
Question
What is the full form of GPS?
Answer
Global Positioning System
24
Question
What type of sensor is used in street lights to detect ambient light?
Answer
C LDR Light Dependent Resistor sensor
25
Question
Which sensor is used in TV remote controls?
Answer
C IR Infrared sensor
26
Question
What type of sensor is used in smartphones to turn off the screen when you hold it to your ear?
Answer
B Proximity sensor
27
Question
What type of sensor is used in car parking assistance systems?
Answer
A Ultrasonic sensor
28
Question
What type of actuator is used in car repair shop lifts?
Answer
B Hydraulic actuator
29
Question
What type of actuator is used in trucks and buses for air brakes?
Answer
B Pneumatic actuator
30
Question
What does IPv6 stand for?
Answer
B Internet Protocol version 6