Do you know why is the keyboard not arranged in alphabetical order? » TechWorm
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The reason goes back to the time of manual typewriters. These typewriters in earlier days did have the keys arranged in alphabetical order. However, it was later discovered that the people typed so fast that the mechanical character keys got jammed very easily with this arrangement. To prevent this, the keys were randomly positioned so that the weaker fingers were needed more frequently. This meant that people typed at a speed which the machine could handle. As a result, the ‘QWERTY’ keyboard came into existence that we find and use today. The QWERTY keyboard layout was devised and created in the 1860s by the creator of the first modern typewriter, Christopher Sholes, a newspaper editor who lived in Milwaukee. Originally, the characters on the typewriters he invented were arranged alphabetically, set on the end of a metal bar which struck the paper when its key was pressed. However, once an operator had learned to type at speed, the bars attached to letters that lay close together on the keyboard became entangled with one another, compelling the typist to manually unstick the typebars, and also regularly blotting the document. A business associate of Sholes, James Densmore, suggested splitting up keys for letters commonly used together to speed up typing by preventing common pairs of typebars from striking the platen at the same time and sticking together.