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Function key. A function key is a key on a computer or terminal keyboard that can be programmed to cause the operating system or an application program to perform certain actions, a form of soft key. [1] On some keyboards/computers, function keys may have default actions, accessible on power-on. Function keys on a terminal may either generate ...
The Fn key, short form for function, is a modifier key on many keyboards, especially external keyboards, and is not available for mobile devices. For use in a compact layout, combine keys which are normally kept separate. It-Alt + FN is typically found on laptops due to their keyboard size restrictions. It is also found on many full-sized ...
The Alt key Alt (pronounced / ɔːlt / AWLT or / ʌlt / ULT) on a computer keyboard is used to change (alternate) the function of other pressed keys. Thus, the Alt key is a modifier key, used in a similar fashion to the Shift key. For example, simply pressing A will type the letter 'a', but holding down the Alt key while pressing A will cause ...
Laptops and wireless peripherals often lack duplicate keys and ones seldom used. Function- and arrow keys are nearly always present. Another factor determining the size of a keyboard is the size and spacing of the keys. The reduction is limited by the practical consideration that the keys must be large enough to be easily pressed by fingers.
AltGr key. The AltGr key is the first key to the right of the space bar. AltGr (also Alt Graph) is a modifier key found on many computer keyboards (rather than a second Alt key found on US keyboards). It is primarily used to type special characters and symbols that are not widely used in the territory where sold, such as foreign currency ...
Alt + Tab ↹ is the common name for a keyboard shortcut that has been in Microsoft Windows since Windows 1.0 (1985). This shortcut switches between application-level windows without using the mouse; hence it was named Task Switcher (Flip in Windows Vista). Alt + Tab ↹ orders windows by most recently used, thus repeated Alt + Tab ↹ ...
Secondary chord. A secondary chord is an analytical label for a specific harmonic device that is prevalent in the tonal idiom of Western music beginning in the common practice period: the use of diatonic functions for tonicization. Secondary chords are a type of altered or borrowed chord, chords that are not part of the music piece's key.
F-Lock. The F-Lock key, introduced by Microsoft in 2001, [1] toggles the state of the function keys. When on, keys F1 to F12 behave as applicable, with meanings defined by the application being used at the time. When off, new behaviour is used: F5 means "open", F10 means "spell" etc. In early models, the state reverted to off at each reboot or ...