KwickClips Computer Systems · 40 sec · free
What is an actuator?
Short answer. An output device that causes physical action.
What controls an actuator in a watering system?
Input from a moisture sensor.
Sound and movement
| Device | Output |
|---|---|
| Speaker | sound waves |
| Motor | movement |
| Pump | water flow |
Remember
| Speakers give sound |
| Actuators give movement |
Can computer output move things? Yes. Two kinds here. Speakers turn signals into sound. A motor is an actuator that moves. A pump is an actuator that pushes water. Speakers give sound. Actuators give movement.
This clip is from the full lesson: Output Devices — 6 minutes, with the tables, the quick answers and the whole lesson in text.
Useful for: CBSE Class 9 Computer Applications (165), CBSE Class 10 Information Technology (402), CBSE Class 11 Computer Science (083), CBSE Class 11 Computer Science Essentials (083)
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