Quiz on Sensors

Which of the following sensors is used to measure light intensity?

• Temperature sensor

• Light sensor

• Pressure sensor

• Sound sensor

What type of data does a temperature sensor capture?

• Analog data representing heat levels

• Digital data representing motion

• Pressure data

• Sound levels

Which sensor is commonly used in automatic doors?

• Light sensor

• Motion sensor

• Pressure sensor

• Humidity sensor

What is the role of a pressure sensor?

• To detect light levels

• To measure changes in atmospheric or applied pressure

• To detect sound intensity

• To capture humidity in the air

Which sensor would be most suitable for detecting intruders in a security system?

• Sound sensor

• Motion sensor

• Temperature sensor

• Moisture sensor

Why do analog signals from sensors often need to be converted to digital signals?

• Digital signals are faster to transmit over networks.

• Computers can only process digital signals.

• Analog signals are more secure.

• Analog signals are always less accurate.

List two sensors and describe a real-world application for each.

Explain how a sound sensor works and provide one example of its use.