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Sensors
3.To amplify electrical signals for devices
2.To process and store data
1.To detect changes in the environment
What is the main purpose of a sensor?
3.Machine learning for all types of sensors
2.Fourier transform for analyzinf signal frequencies
1.Image reconstruction for optical sensors
What is commonly used software algorithm for processing sensor data
3.To process sensor signals and perform control actions
2.to store raw sensor data for long term analysis
1.To provide a user interface for a sensor
What is the role of a microcontorller in a sensor-based device
3.LDR
2.Ultrasonic sensor
1.Thermistor
What kind of sensor is used in streetlights to detect daylight?
3.By sensing sound waves in the environment
2.By detecting changes in infrared heat
1.By measuring vibrations on the floor
How do motion sensors in home security systems detect movement
3.Digital data packets
2.A continous electrical signal
1.A binary output
Which type of sugnal does an analog sensor produce?
3.To convert digital data back to analog signals
2.To enhance the signal
1.To remove unwanted noise and improve acurracy
Why are filters used in sensor systems?
3.Temperature sensor
2.Light sensor
1.Motions sensor
Which sensor helps adjust the brightness of a smartphone screen?
3,More complex systems
2.They are less expensive
1.They produce precise, discrete ouputs that are less afected by outsiders
What is the main advantage of using digitak sensors iver analog sensors
3.Measure the temperature levels
2.Using a light sensor
1.By using sensors to monitor door seals
How does a smart fridge use sensors to detect when the door is left open
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