QWERTY keyboard is a keyboard arrangement of the letters of the most widely used in the latest keyboard. Initially, this arrangement of letters used in a mechanical typewriter. The main goal to minimize congestion due to mechanical tick speed. The name is taken from the QWERTY arrangement of letters which 6 are located at the top left of the keyboard. This keyboard arrangement patented by Christopher Sholes, since 1874, then sold to Remington, typewriter manufacturers in those days,
