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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.
Most keyboard shortcuts require the user to press a single key or a sequence of keys one after the other. Other keyboard shortcuts require pressing and holding several keys simultaneously (indicated in the tables below by the + sign). Keyboard shortcuts may depend on the keyboard layout.
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 .
Here are some Windows key commands and what they do: Windows key (Win): opens the Start menu on your computer. Windows button + Tab: switch your view from one open window to the next.
Lock keys lock part of a keyboard, depending on the settings selected. The lock keys are scattered around the keyboard. Most styles of keyboards have three LEDs indicating which locks are enabled, in the upper right corner above the numeric pad. The lock keys include Scroll lock, Num lock (which allows the use of the numeric keypad), and Caps ...
The F-Lock key on a Microsoft keyboard. 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.
Each key is assigned a two-digit code; for most (but not all) keys, the tens digit comes from the row number (as indicated down the left of the table) and the units digit comes from the column number (as indicated across the top of the table). Now consider a very simple program, which adds 2 to the number being displayed, and then stops.
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