CS_Activity_actuators and Sensors (1)

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CS_Activity_actuators and Sensors

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Computer Studies

Complete the following questions for your exam revision.1. An actuator is a type of motor for moving or controlling a mechanism or systemWhat is an actuator?

2. LED, Motor, HeaterName 3 types of actuators?

3. What is meant by feedback when using actuators?

4. What is a sensor?

5. How does a temperature sensor operate?

6. A pressure sensor produces a signal that depends the pressure it is exposed to? Give 3 examples of pressure sensors?

7. Describe how a light sensor would work and where can we use light sensors?

8. What is meant by IR sensors and where can we use them?

9. A humidity sensor produces a signal that depends on what?

10. A gas sensor produces a signal depending on the concentration of a particular gas. Where can we use this type of sensor?