IoT Basics

Barometer is what type of sensor………………..

• Pressure sensor

• Touch sensor

• Temperature sensor

• Humidity sensor

  What is the operating voltage of pressure sensor?

• 1.5v

• 3v

• 3.5v

• 5v

Gyroscope is used to measure ………………..

• Angular Velocity

• Linear Velocity

• Angular Velocity and Linear Acceleration

•    Linear Acceleration

………………..   sensor is used for tracking rotation or twist

• Gyroscope

• Temperature

•   Proximity

•   Pressure

What is DS18B20?

• Temperature sensor

•  Humidity sensor

• Touch sensor

• Pressure sensor

What is ESP8266?

• WiFi Module

• Sensor

• Board

• USB

  Which of the following is a critical requirement for an IoT system?

• Energy Efficiency

  Secure Data Transmission

  High Performance Processing

• Energy Efficiency

• Secure Data Transmission

• High Performance Processing

What is the main function of IoT sensors and actuators?

• Sensors record and monitor processes, while actuators automate tasks and save human effort.

•        Sensors automate tasks and save labor, while actuators collect and analyze data.

• Sensors and actuators both provide recommendations for process optimization.

• Actuators collect data and analyze it, while sensors automate tasks in the workplace.

Which type of sensor is commonly used in security systems to detect unauthorized activity?

• Motion sensor

•  Light sensor

• Moisture sensor

• Temperature sensor

Which one of the following protocols is lightweight?

•  MQTT

• CoAP

•  IP

• HTTP