The Keyboard By 22160 Jan 1, 1686 Typewriter Invented History of the Computer Keyboard Jan 1, 1811 The constrution of the keyboard Jan 1, 1874 Manufactured and sold to public Jan 1, 1875 Keys were rearranged to the common letters Qwerty Keyboard Jan 1, 1878 Patent of the keyboard Qwerty Keyboard Jan 1, 1931 Typing introdused to punchkeys for adding machines Jan 1, 1946 Keyboard introduced to the computer History of the Computer Keyboard Jan 1, 1948 Use of electromagnetic keyboard Jan 1, 1964 Creation of a new computer system Period: Jan 1, 1970 to Jan 1, 1990 Use of electric keyboard
