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  2. ISO/IEC 9995 - Wikipedia

    en.wikipedia.org/wiki/ISO/IEC_9995

    If at least one Alternate key (commonly called “Alt key”) is present, it is to be positioned left of the space bar (or, if a function key specific to the writing system supported by the keyboard layout is there, left of that key). If at least one Control key (commonly abbreviated “Ctrl”) is present, it has to be placed leftmost in row A ...

  3. Keyboard matrix circuit - Wikipedia

    en.wikipedia.org/wiki/Keyboard_matrix_circuit

    A keyboard matrix circuit is a design used in most electronic musical keyboards and computer keyboards in which the key switches are connected by a grid of wires, similar to a diode matrix. For example, 16 wires arranged in 8 rows and 8 columns can connect 64 keys—sufficient for a full five octaves of range (61 notes).

  4. Computer keyboard - Wikipedia

    en.wikipedia.org/wiki/Computer_keyboard

    One 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.

  5. Control key - Wikipedia

    en.wikipedia.org/wiki/Control_key

    A Control key (marked "Ctrl") on a Windows keyboard next to one style of a Windows key, followed in turn by an Alt key The rarely used ISO keyboard symbol for "Control". In computing, a Control keyCtrl is a modifier key which, when pressed in conjunction with another key, performs a special operation (for example, Ctrl+C).

  6. 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 ...

  7. 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.

  8. Caps Lock - Wikipedia

    en.wikipedia.org/wiki/Caps_Lock

    The Caps Lock key on a PC keyboard with US keyboard layout (near upper-left corner, below the Tab key and above the left Shift key). Caps Lock (⇪ Caps Lock) is a button on a computer keyboard that causes all letters of bicameral scripts to be generated in capital letters.

  9. Keyboard shortcut - Wikipedia

    en.wikipedia.org/wiki/Keyboard_shortcut

    In computing, a keyboard shortcut (also hotkey/hot key or key binding) [1] is a software-based assignment of an action to one or more keys on a computer keyboard. Most operating systems and applications come with a default set of keyboard shortcuts , some of which may be modified by the user in the settings .