Typewriter
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A typewriter is a mechanical or electromechanical machine for typing characters. Typically, a typewriter has an array of keys, and each one causes a different single character to be produced on paper
Mechanical typewriters, such as this 1930s Underwood, were long-time standards in government agencies, newsrooms, and offices.
Peter Mitterhofer's typewriter prototype (1864)
Hansen Writing Ball was the first typewriter manufactured commercially (1870).
Prototype of the first commercially successful typewriter, the Sholes and Glidden (1873) – with the first QWERTY keyboard
Computer keyboard
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A computer keyboard is a built-in or peripheral input device modeled after the typewriter keyboard which uses an arrangement of buttons or keys to act as mechanical levers or electronic switches. Repl
A wired computer keyboard for desktop use manufactured by Lenovo
Keyboards on laptops usually have a shorter travel distance and a reduced set of keys.
Multifunction keyboard with LCD function keys
A Greek keyboard lets the user type in both Greek and the Latin alphabet (MacBook Pro).