What is a sensor?

• A device that converts digital data into analog signals

• A device that processes and stores data from the internet

• A device that converts real-world properties into data that a computer can process

• A device that controls and monitors computer systems remotely

What is the primary function of a temperature sensor?

• To measure the level of moisture in the air

• To measure the changes in temperature

• To detect the presence of an object

• To control the traffic lights

What type of sensor measures the moisture in the air or the amount of moisture in a material?

• Humidity sensor

• Moisture sensor

• Pressure sensor

• Temperature sensor

What is an example of an application of an acoustic sensor?

• Monitoring the temperature in a greenhouse

• Controlling the central heating system
  

• Detecting the leakage in a pipe
  

• Measuring the level of moisture in the air

What type of sensor detects the type of material, whether it is acidic or alkaline?

• pH sensor

• Temperature sensor

• Pressure sensor

• Proximity sensor
  

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