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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 does not define specific layouts but provides the base for national and industry standards which define such layouts.
Diagram of English letter frequencies on Colemak Diagram of English letter frequencies on QWERTY. The Colemak layout was designed with the QWERTY layout as a base, changing the positions of 17 keys while retaining the QWERTY positions of most non-alphabetic characters and many popular keyboard shortcuts, supposedly making it easier to learn than the Dvorak layout for people who already type in ...
The current edition DIN 2137-1:2012-06 standardizes it as the first (basic) one of three layouts, calling it "T1" (Tastaturbelegung 1, "keyboard layout 1"). The German layout differs from the English (US and UK) layouts in four major ways: The positions of the "Z" and "Y" keys are switched.
A typical 105-key computer keyboard, consisting of sections with different types of keys. A computer keyboard consists of alphanumeric or character keys for typing, modifier keys for altering the functions of other keys, [1] navigation keys for moving the text cursor on the screen, function keys and system command keys—such as Esc and Break—for special actions, and often a numeric keypad ...
For instance, typing on a conventional keyboard layout can force the user into shoulder elevation, wrist ulnar deviation, and head rotation. [4]: 385 Consideration of physical ergonomics suggests the most relaxed typing position is one in which the keyboard user's forearms are parallel to the ground, with wrists held straight. To facilitate ...
The UK variant of the Enhanced keyboard commonly used with personal computers designed for Microsoft Windows differs from the US layout as follows: . The UK keyboard has 1 more key than the U.S. keyboard (UK=62, US=61, on the typewriter keys, 102 v 101 including function and other keys, 105 vs 104 on models with Windows keys)
IBM states that AltGr is an abbreviation for alternate graphic. [3] [4]Sun Microsystems keyboard, which labels the key as Alt Graph. A key labelled with some variation of "Alt Graphic" was on many computer keyboards before the Windows international layouts.
Numeric keypad, integrated with keyboard Numeric keypad, as a separate unit. For use with a shorter keyboard or laptop which omits the numberpad Bluetooth numeric keypad, working also as calculator A numeric keypad , number pad , numpad , or ten key , [ 1 ] [ 2 ] [ 3 ] is the palm-sized, usually-17-key section of a standard computer keyboard ...