Joseph Henry in about 1835. He is American and he made something called a relay.
Uhhhh I believe it’s true if it’s wrong I’m srry ....
Explanation:
A computer keyboard is an input device that allows a person to enter letters, numbers, and other symbols (these are called characters in a keyboard) into a computer. It is one of the most used input devices for computers. Using a keyboard to enter lots of data is called typing