There exist a variety of other, slower methods in which a character may be entered.
Its design meets the need to maximize comfort and prevent risks when typing in French.
The dead key does not generate a character by itself, but it modifies the character generated by the key struck immediately after, typically making it possible to type a letter with a specific diacritic.
Modern operating systems do provide support for the Dvorak layout, but the actual keyboards are not very common.
If you know the layout of keys on a piano, it doesn't matter how many keys your keyboard has, the layout of keys are similar.
On the right there is the Numeric Keypad and the Direction Keys.