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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.
This allows user instructions to apply to mice or pointing devices that do not use conventional button placement. For example, a left-handed user may reverse the buttons, usually with a software setting. With non-conventional button placement, user directions that say “left mouse button” or “right mouse button” are confusing.
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 used in traffic, hand signals are often used to convey driver's intention of their next movement. In some countries, hand signals can apply to any vehicle whose signal lights are missing or damaged. Hand signals are commonly used and applies to cyclists and motorists. Hand signals are commonly used to signal a left turn, right turn ...
A computer mouse with the most common features: two buttons (left and right) and a scroll wheel (which can also function as a button when pressed inwards) A typical wireless computer mouse A computer mouse (plural mice , also mouses ) [ nb 1 ] is a hand-held pointing device that detects two-dimensional motion relative to a surface.
This is an accepted version of this page This is the latest accepted revision, reviewed on 9 February 2025. Directionality of traffic flow by jurisdiction Countries by direction of road traffic, c. 2020 Left-hand traffic Right-hand traffic No data Left-hand traffic (LHT) and right-hand traffic (RHT) are the practices, in bidirectional traffic, of keeping to the left side or to the right side ...
The left hand signal then controls the left-hand track, and the right signal the right-hand track. A gantry or signal bridge may also be used. This consists of a platform extending over the tracks; the signals are mounted on this platform over the tracks they control.
Simple versions incorporate a dash for the wrist: -b or =b (right hand) and d-or d= (left hand). Many Japanese kaomoji icons place the thumbs beside a face constructed from punctuation marks, such as d(^^)b or b(~_^)d. [26] Various instant messaging services use (y) and (n) as a shortcut for thumbs up and thumbs down emoji. [27] [28]