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ISO 9241 is a multi-part standard from the International Organization for Standardization (ISO) covering ergonomics of human-system interaction and related, human-centered design processes (see also human-computer interaction).
Guidelines for touchscreen designs were first developed in the 2000s, based on early research and actual use of older systems, typically using infrared grids—which were highly dependent on the size of the user's fingers. These guidelines are less relevant for the bulk of modern touch devices which use capacitive or resistive touch technology.
A touch user interface (TUI) is a computer-pointing technology based upon the sense of touch ().Whereas a graphical user interface (GUI) relies upon the sense of sight, a TUI enables not only the sense of touch to innervate and activate computer-based functions, it also allows the user, particularly those with visual impairments, an added level of interaction based upon tactile or Braille input.
Since Windows XP, the lock function has also been bound to the keyboard shortcut⊞ Win+L. [18] On Windows 8, the lock screen was re-designed to closer resemble those used by mobile operating systems; users can choose a distinct wallpaper for use on the lock screen, which now also displays a clock, calendar events, and notifications from other ...
Closeup of a touchpad on an Acer CB5-311 laptop Closeup of a touchpad on a MacBook 2015 laptop. A touchpad or trackpad is a type of pointing device.Its largest component is a tactile sensor: an electronic device with a flat surface, that detects the motion and position of a user's fingers, and translates them to 2D motion, to control a pointer in a graphical user interface on a computer screen.
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In the 1980s and early 1990s, IBM Personal Computers and some PC compatibles included a tubular pin tumbler lock on the computer's casing, performing a security function that varied by manufacturer. In some instances, the lock would prevent the case from being opened to inhibit the theft or modification of internal components.
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