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A computer keyboard is a built-in or peripheral input device modeled after the typewriter keyboard [1] [2] which uses an arrangement of buttons or keys to act as mechanical levers or electronic switches.
The history of home keyboards lies in mechanical musical instrument keyboards, ... This was a keyboard instrument played with plectra and activated by electricity, ...
Christopher Latham Sholes (February 14, 1819 – February 17, 1890) was an American inventor who invented the QWERTY keyboard, [2] and, along with Samuel W. Soule, Carlos Glidden and John Pratt, has been contended to be one of the inventors of the first typewriter in the United States. [3] [4] [5] He was also a newspaper publisher and Wisconsin ...
The keyboard sends the key code to the keyboard driver running in the main computer; if the main computer is operating, it commands the light to turn on. All the other indicator lights work in a similar way. The keyboard driver also tracks the shift, alt and control state of the keyboard.
The QWERTY keyboard, so named for the first six characters of the uppermost alphabetic row, was invented during the course of the typewriter's development. The first model constructed by Sholes used a piano-like keyboard with two rows of characters arranged alphabetically as follows: [ 13 ]
Musical keyboard, a set of adjacent keys or levers used to play a musical instrument Manual (music), a keyboard played with hands, as opposed to; Pedalboard or pedal keyboard, played with feet; Enharmonic keyboard, one of several layouts that incorporate more than 12 tones per octave; Keyboard instrument, a musical instrument played using a ...
The QWERTY keyboard layout, developed for typewriters in the 1870s, remains the de facto standard for English-language computer keyboards. The origins of this layout still need to be clarified. [ 5 ] Similar typewriter keyboards, with layouts optimised for other languages and orthographies, emerged soon afterward, and their layouts have also ...
The earliest known keyboard instrument was the Ancient Greek hydraulis, a type of pipe organ invented in the third century BC. [2] The keys were likely balanced and could be played with a light touch, as is clear from the reference in a Latin poem by Claudian (late 4th century), who says magna levi detrudens murmura tactu . . . intonet, that is "let him thunder forth as he presses out mighty ...