What is the main function of the sensors in an IoT system?
To collect data from the environment
The Internet of Things (IoT) is a system of interrelated computing devices, mechanical and digital machines, objects, animals, or people that are provided with unique identifiers (UIDs) and the ability to transfer data over a network without requiring human-to-human or human-to-computer interaction. A critical component of any IoT system is the sensors.
- Function of Sensors: The primary function of sensors in an IoT system is to collect data from the environment. They gather information regarding various parameters like temperature, humidity, light, motion, and other relevant environmental factors. This collected data is then used to make decisions, predictions, or trigger other processes within the IoT system.
- Explanation of Options:
- To store large amounts of information: This task is typically handled by databases or memory systems, not sensors.
- To collect data from the environment: This is indeed the main function of sensors, as explained above.
- To process collected data: Data processing is generally done by the central processing unit or cloud servers after data is collected by sensors.
- To perform an action that changes the environment: This function is carried out by actuators, not sensors. Actuators receive commands to perform specific actions based on processed data.
- Conclusion: The correct option is To collect data from the environment, as sensors are designed specifically for gathering real-time information about various environmental conditions, which is then used in the functioning of IoT systems.
Similar Questions
What is the long form of LVDT?
Which component in a thermal relay is responsible for detecting temperature changes?
What is the use of an RTD?
Eddy current proximity sensors can detect _______.
Burglar alarm circuits consist of
What happens to the resistance of an RTD with an increase in temperature?
An LVDT is used for measuring _________.
An industrial engineer wants to optimize a photoelectric switch system for detecting various packages on a conveyor belt, where the packages differ in shape, color, and surface reflectivity. Which of the following changes would most improve the switch's detection reliability for all package types?
Which of the following is NOT a sensor performance characteristic?
Which of the following is a primary criterion when choosing a sensor for monitoring temperature in a manufacturing process?
Important Questions from Sensors Transducers and Applications
Match List I with List II:
List I
(Transducer)
List II
(Application)
(A) Pirani gauge (I) Liquid level (B) Dielectric gage (II) Displacement (C) Magnetostriction gage (III) Gas flow (D) Variable capacitance pressure gage (IV) Sound Choose the correct answer from the options given below:
Arrange the following thermal sensors in ascending order of their cost for an application:
(A) Thermocouple
(B) Thermistor
(C) Resistance Temperature Detector (RTD)
(D) IR Photodiode
Choose the correct answer from the options given below:
Which of the following is not used as a security protocols
Which of the following is most commonly used IOT standards for Medium Access Control (MAC)
Match List I with List II:
List I
(Technologies for IOT)
List II
(Definitions)
(A) Sensors (I) Analytical tools that improve the ability to describe phenomenons (B) Networks (II) Commonly accepted prescriptions for action (C) Augmented intelligence (III) A device that generates an electronic signal from a physical condition (D) Standards (IV) A mechanism for communicating an electronic signal Choose the correct answer from the options given below:
