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  2. Keyboard technology - Wikipedia

    en.wikipedia.org/wiki/Keyboard_technology

    A common test for whether the computer has crashed is pressing the "caps lock" key. 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.

  3. Computer keyboard - Wikipedia

    en.wikipedia.org/wiki/Computer_keyboard

    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 ...

  4. Power-on self-test - Wikipedia

    en.wikipedia.org/wiki/Power-on_self-test

    The keyboard itself was an intelligent device and had its own processor and 4 kilobytes of RAM for keeping a buffer of the sequence of keys that were being pressed, thus can communicate with the user if a fault is found by flashing its main LED in sequence:

  5. Key rollover - Wikipedia

    en.wikipedia.org/wiki/Key_rollover

    Key rollover is the ability of a computer keyboard to correctly handle several simultaneous keystrokes. A keyboard with n-key rollover (NKRO) can correctly detect input from each key on the keyboard at the same time, regardless of how many other keys are also being pressed. Keyboards that lack full rollover will register an incorrect keystroke ...

  6. Ensoniq ASR-10 - Wikipedia

    en.wikipedia.org/wiki/Ensoniq_ASR-10

    The Ensoniq ASR-10 is a sampling keyboard produced by Ensoniq between 1992 and 1998. The ASR-10 was a follow-up product to the very popular Ensoniq EPS and EPS-16 Plus performance samplers, and was also available with a piano style weighted keyboard (ASR-88) and a rackmount version (ASR-10R). At the time, the machine was one of the most ...

  7. Gateway AnyKey - Wikipedia

    en.wikipedia.org/wiki/Gateway_AnyKey

    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]

  8. Optimus Maximus keyboard - Wikipedia

    en.wikipedia.org/wiki/Optimus_Maximus_keyboard

    The Optimus Maximus keyboard, previously just "Optimus keyboard", is a keyboard developed by the Art. Lebedev Studio , a Russian design studio headed by Artemy Lebedev . Each of its keys is a display which can dynamically change to adapt to the keyboard layout in use or to show the function of the key.

  9. Keyboard layout - Wikipedia

    en.wikipedia.org/wiki/Keyboard_layout

    A typical 105-key computer keyboard, consisting of sections with different types of keys. A computer keyboard consists of alphanumeric or character keys for typing, modifier keys for altering the functions of other keys, [1] navigation keys for moving the text cursor on the screen, function keys and system command keys—such as Esc and Break—for special actions, and often a numeric keypad ...

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