![]() ![]() Modern computer keyboards are designed to send a scancode to the operating system (OS) when a key is pressed or released: this code reports only the key's row and column, not the specific character engraved on that key. Functional layout is the arrangement of the key-meaning association or keyboard mapping, determined in software, of all the keys of a keyboard it is this (rather than the legends) that determines the actual response to a key press. Visual layout is the arrangement of the legends (labels, markings, engravings) that appear on those keys. Physical layout is the actual positioning of keys on a keyboard. The 104-key US QWERTY layoutĪ keyboard layout is any specific physical, visual or functional arrangement of the keys, legends, or key-meaning associations (respectively) of a computer keyboard, mobile phone, or other computer-controlled typographic keyboard. ![]() For keyboards used in music, see Musical keyboard. ![]() For the underlying physical structure and electronic mechanisms of computer keyboards, see Keyboard technology. This article is about the physical and visual arrangement of the keys of a computer keyboard and their function as defined by software. ![]()
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