KwickClips Computer Systems · 43 sec · free
What does the processor do?
Short answer. It decides.
What is the actuator in a car airbag system?
The airbag that inflates.
Sensor to action
| Device | Sensor | Action |
|---|---|---|
| Washer | Water level | Valve, motor |
| Car | Crash sensor | Airbag |
| Microwave | Door switch | Heat off |
Remember
| Sensor measures |
| Processor decides |
| Actuator acts |
Which machines hide a tiny computer? Many do. A washer senses water level and runs the motor. A car senses a crash and fires the airbag. A microwave stops if the door opens. Remember. Sensor measures. Processor decides. Actuator acts.
This clip is from the full lesson: Embedded Systems — 7 minutes, with the tables, the quick answers and the whole lesson in text.
Useful for: Cambridge IGCSE Grade 9 Computer Science (0478), Cambridge IGCSE Grade 10 Computer Science (0478)
More KwickClips from this lesson
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