KwickClips Computer Systems · 39 sec · free
Who gives input to an automatic door?
Short answer. A motion sensor.
What makes phone brightness change?
A light sensor.
Sensors
| Sensor | Measures |
|---|---|
| Motion | movement |
| Temperature | heat |
| Light | brightness |
Remember
| Sensors measure the real world |
| Input without a person |
Who gives input to an automatic door? A sensor does. A motion sensor detects movement. A temperature sensor measures heat. A light sensor measures brightness. Sensors measure the real world. They give input without a person.
This clip is from the full lesson: Input 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 9 Computer Applications (165), CBSE Class 9 Information Technology (402), CBSE Class 9 Information Technology (402)
More KwickClips from this lesson
What does a keyboard send?39 sec
Which device gives sound?37 sec
Where does the price come from?42 secVoice-over is AI-generated; the script is written and checked by Kajal Ma'am. Confirm anything you plan around against your official board document. We never ask for a password or an OTP.