Computer Shortcut Keys
In a computer, a Control key is a modifier key which, when pressed in conjunction with another key, performs a certain action. The Control key rarely performs any function when pressed by itself. The Control key is located on or near the bottom left side of most keyboards (in accordance with the international standard ISO/IEC 9995-2), with many featuring an additional one at the bottom right. It is usually labeled Ctrl.
Apple command key on Apple computer keyboards the Ctrl key is written as "control" and is next to the option key and command key as shown in the picture to the right. As far as the placement, the control keys are found in the same location as the Ctrl keys on an IBM computer.
Ctrl is used in keyboard shortcut keys such as the three-finger salute or Ctrl + Alt + Del. This key combination suggests pressing and holding down the Ctrl, Alt, and Del keyboard keys to open the Task Manager or reboot the computer.
A function key is a key on a computer or on the computer keyboard which can be programmed so as to cause an operating system program to perform certain actions. The function keys are arranged at the top of your keyboard numbered across from F1 to F12 and are commonly referred to as F keys or FN keys. The keys provide some interesting shortcuts for common computer functions that can be useful tools in everyday computing.
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