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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 ...
Since Japanese input requires switching between Roman and hiragana entry modes, and also conversion between hiragana and kanji (as discussed below), there are usually several special keys on the keyboard. This varies from computer to computer, and some OS vendors have striven to provide a consistent user interface regardless of the type of ...
MS-DOS and all versions of Windows after Windows 3.1 (Windows 95, Windows 98, Windows Me, Windows 2000, Windows XP, Windows Vista, Windows 7, Windows 8, Windows 10 and Windows 11) also display a black screen of death when the operating system is unable to boot properly. There are many factors that can contribute to this problem, including the ...
Dubeolsik (두벌식) layout, the national standard layout of South Korea. The standard keyboard layout for IBM PC compatibles of South Korea is almost identical to the U.S. layout, with some exceptions: Hangul characters are printed on the keys. On the top of the \ key, the backslash is replaced with the ₩ or both of them are printed. The ...
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.
Historically, the addition of two Windows keys and a menu key marked the change from the 101/102-key to 104/105-key layout for PC keyboards. [2] Compared to the former layout, a Windows key was placed between the left Ctrl and the left Alt and another Windows key and the menu key were placed between the right Alt (or AltGr) and the right Ctrl key.
Windows 3.1 displays a black screen of death instead of a blue one. [21] Some versions of macOS (notably OS X Lion) display a black screen of death instead of a kernel panic, usually pointed to a graphics card or sleep/wake issue, [40] it may also display a black screen when the operating system fails to boot properly. [41]
In Microsoft Windows, there are keyboard layouts, such as Swiss German, whose keys generate unrelated, non-uppercase symbols when pressed before ⇧ Shift. [9], creating a 5th level (and a 6th level when ⇪ Caps Lock is on and ⇧ Shift is pressed) for typing symbols on a single key. Below is an example using the Swiss German keyboard layout ...