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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.
Aside from being able to recognize four-finger gestures, the new platform prevents accidental activation of the cursor when a user's palm unintentionally contacts the TouchPad, and it also brings ...
In computing, multi-touch is technology which enables a touchpad or touchscreen to recognize more than one [7] [8] or more than two [9] points of contact with the surface. Apple popularized the term "multi-touch" in 2007 with which it implemented additional functionality, such as pinch to zoom or to activate certain subroutines attached to predefined gestures.
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.
Trackpad on an Apple MacBook Pro. A touchpad or trackpad is a flat surface that can detect finger contact. 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.
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]
A user can give input or control the information processing system through simple or multi-touch gestures by touching the screen with a special stylus or one or more fingers. [1] Some touchscreens use ordinary or specially coated gloves to work, while others may only work using a special stylus or pen.
The trackpad will respond to gestures, much like iOS's version of VoiceOver. A specific example is using the trackpad to explore the actual visual layout of elements on the screen - sliding one finger around the trackpad will select elements, tapping twice will activate them.