inputbutton
nounUK /ˈɪnpʊt ˈbʌtən/
US /ˈɪnpʊt ˈbʌtən/
A small thing you press to make a machine do something.
Press the input button to turn on the game.
OTHER MEANINGS
2. A key on a computer keyboard used to enter data.
He tapped the input button to type his name.
3. A control on a remote that sends a signal to a device.
The input button on the remote changes the TV channel.
4. A clickable area on a screen that accepts user commands.
Click the input button on the website to submit your answer.