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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.
It is a stationary pointing device, commonly used on laptop computers. At least one physical button normally comes with the touchpad, but the user can also generate a mouse click by tapping on the pad. Advanced features include pressure sensitivity and special gestures such as scrolling by moving one's finger along an edge.
The mouse gesture for "back" in Opera – the user holds down the right mouse button, moves the mouse left, and releases the right mouse button.. In computing, a pointing device gesture or mouse gesture (or simply gesture) is a way of combining pointing device or finger movements and clicks that the software recognizes as a specific computer event and responds to accordingly.
When swiping to scroll etc., the touch pointer would follow the finger as it moves. If touch and hold to right-click is enabled, touching and holding will show a thick white ring around the touch pointer. When this ring appears, releasing one's finger would perform a right-click.
Another criticism is that it stresses the index finger and may lead to repetitive strain injury. A number of ergonomic studies to compare trackpoint and touchpad performance have been performed. [16] [17] Most studies find that touchpad is slightly faster; one study found that "the touchpad was operated 15% faster than the trackpoint". [18]
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Pull-to-refresh in the Wikipedia mobile app. Pull-to-refresh is a touchscreen gesture developed by Loren Brichter.It consists of touching the screen of a computing device with a finger or pressing a button on a pointing device, dragging the screen downward with the finger or pointing device, and then releasing it, as a signal to the application to refresh the contents of the screen.
A user operating a touchscreen Smart thermostat with touchscreen. A touchscreen (or touch screen) is a type of display that can detect touch input from a user. It consists of both an input device (a touch panel) and an output device (a visual display).