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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 Gateway AnyKey is a programmable computer keyboard that was sold exclusively [2] by Gateway 2000, Inc., as an option for some of their desktop computers.Introduced in the spring of 1991, [3] the keyboard was manufactured in at least five known versions and incarnations by Tucson, Arizona–based Maxi Switch, Inc., a subsidiary of the Lite-On Technology Corporation. [4]
Manufacturers frequently build computer keyboards using switches from original equipment manufacturers (OEMs). The switches used determine the feel of the keyboard. The switches used determine the feel of the keyboard.
In computing, a keyboard controller is a device that interfaces a keyboard to a computer. Its main function is to inform the computer when a key is pressed or released. When data from the keyboard arrives, the controller raises an interrupt (a keyboard interrupt ) to allow the CPU to handle the input.
A computer keyboard is a 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. Replacing early punched cards and paper tape technology, interaction via teleprinter -style keyboards have been the main input method for computers since ...
[3] [4] Devices may not have a dedicated Reset button, but have the user hold the power button to cut power, which the user can then turn the computer back on. [5] Out-of-band management also frequently provides the possibility to reset the remote system in this way.
Mechanical keyboards (or mechanical-switch keyboards) are computer keyboards which have an individual switch for each key. The following table is a compilation list of mechanical keyboard models, brands, and series:
The concept of the "any key" has become a popular piece of computer-related humor, [9] and was used as a gag on The Simpsons, in the seventh-season episode "King-Size Homer", where Homer Simpson searches the keyboard looking for "the any key". A picture of a keyboard which has been photo manipulated to include an "ANY" key.