ISO/IEC 9995
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ISO/IEC 9995 Information technology — Keyboard layouts for text and office systems is an ISO/IEC standard series defining layout principles for computer keyboards. It provides the base for national an
Keyboard-sections-zones-grid-ISOIEC-9995-1
German E1 key with "Extra selector" as AltGr+f
Key of the extended German E1 layout
Return key on a German keyboard, spanning over two rows
Control key
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In computing, a Control key Ctrl is a modifier key which, when pressed in conjunction with another key, performs a special operation. Similarly to the Shift key, the Control key rarely performs any fu
A Control key (marked "Ctrl") on a Windows keyboard next to one style of a Windows key, followed in turn by an Alt key