história do teclado

entre outras coisas porque raz?o temos que usar o tipico teclado qwerty

http://www.tifaq.org/articles/keyboard_tyranny-feb98-jay_hersh.html
http://www.xpertkeyboard.com/index.htm
http://inventors.about.com/library/inventors/blcomputer_keyboard.htm
http://www.compcamps.com/camps2004/jschmidt/keyboardinfo.html
http://njnj.essortment.com/keyboardhisto_rdqo.htm
http://www.museudocomputador.com.br/enciteclado.php