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A computer keyboard is a built-in or peripheral input device modeled after the typewriter keyboard [1 ... The first one, a chorded keyboard, was invented by Douglas ...
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 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]
[2] [3] As technology improved, more sophisticated keyboards were developed, including the 12-tone keyboard still in use today. Initially, the keyboard of an instrument such as a pipe organ or harpsichord could only produce sounds of one particular volume. In the 18th century, the pianoforte was invented. The pianoforte had metal strings which ...
The first prototype of a computer mouse, as designed by Bill English from Engelbart's sketches [1]. Early dynamic information devices such as radar displays, where input devices were used for direct control of computer-created data, set the basis for later improvements of graphical interfaces. [2]
The first was the Denis d'or stringed instrument, [5] ... Elisha Gray invented the musical telegraph in 1874, ... the first computer-controlled keyboard, resulted ...
The history of the personal computer as a mass-market consumer electronic device began with the microcomputer revolution of the 1970s. A personal computer is one intended for interactive individual use, as opposed to a mainframe computer where the end user's requests are filtered through operating staff, or a time-sharing system in which one large processor is shared by many individuals.
Abū Rayhān al-Bīrūnī invented the Planisphere, an analog computer. [3] He also invented the first mechanical lunisolar calendar which employed a gear train and eight gear-wheels. [4] This was an early example of a fixed-wired knowledge processing machine. [5] [dubious – discuss] c. 1015