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In the old technology, the computer's "vision" was created by a near-infrared, 850-nanometer-wavelength LED light source aimed at the surface. When an object touched the tabletop, the light was reflected to multiple infrared cameras with a net resolution of 1024×768, allowing it to sense, and react to items touching the tabletop.
The Yoga 3 Pro is thin Broadwell-based 13.3-inch touchscreen laptop with a hinge that allows for use as a tablet and other configurations. It uses Intel Core M processors and comes standard with solid-state drives. Its screen has 3200 pixel by 1800 pixel resolution and is multitouch capable. [14] It is 13 millimeters thick. [15]
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.
Alienware M15 R2 (discontinued) – 2019 thin and light gaming laptop. 1080p standard display and 60 Hz Ultra HD 4K display, 144 Hz IPS 1080p, and 240 Hz IPS 1080p display also available, as well as a Nvidia GeForce 20 series with up to a RTX 2080 Max-Q, 9th gen Intel CPU.
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). The touch panel is typically layered on the top of the electronic visual display of a device.
Released in 1998, the Dell Inspiron 2100 was a lightweight laptop that Dell branded as "Ultra-Thin & Light" and "Ultra Mobile". Its starting price was $1,699. A near-identical cousin of the 2100 was the Dell Latitude L400. Processor: Intel Pentium III @700 MHz; Memory: 128 or 256 MB of DDR RAM; Graphics: ATI Rage Mobility M (with 4 MB of video ...
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A light pen is a device similar to a touch screen, but uses a special light-sensitive pen instead of the finger, which allows for more accurate screen input. As the tip of the light pen makes contact with the screen, it sends a signal back to the computer containing the coordinates of the pixels at that point. It can be used to draw on the ...