Skip to content

Free practice · English · Difficulty 4/5

How Keyboards Work

Backspace fixes mistakes.

Click the passage and start typing.

Beneath every key on your keyboard sits a small switch. When you press a key, the switch closes a circuit and sends a signal to the computer, which looks up the character in a keymap and passes it to the program you are using. All of this happens in a few milliseconds, faster than you can blink.

Words per minute
Accuracy
%
Errors
Time

Keyboard
Sound
Motion