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The base model contains 64 KB of RAM and produces 40 columns for video output, while the Expanded Model, to which the base model can be upgraded, holds a total of 128 KB of RAM, supports 80-column video displays, and has a built-in floppy drive that loads 5¼-inch double-sided double-density disks with 360 KB of storage.
This is an accepted version of this page This is the latest accepted revision, reviewed on 18 January 2025. Practice of subverting video game rules or mechanics to gain an unfair advantage This article has multiple issues. Please help improve it or discuss these issues on the talk page. (Learn how and when to remove these messages) This article possibly contains original research. Please ...
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.
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
In 2008, a new wireless USB docking station from Kensington was made available through Dell. This product was unique as it was the first product on the market to support video and graphics over a USB connection by using DisplayLink USB graphics technology. Kensington released a Wireless USB Universal Docking Station in August 2008 for wireless ...
Scientists are baffled as to why the rare and endangered sawfish have been spotted in Florida waters spinning around, and 28 have been found dead.
An early Xerox optical mouse chip, before the development of the inverted packaging design of Williams and Cherry. The first two optical mice, first demonstrated by two independent inventors in December 1980, had different basic designs: [1] [2] [3] One of these, invented by Steve Kirsch of MIT and Mouse Systems Corporation, [4] [5] used an infrared LED and a four-quadrant infrared sensor to ...
A wireless mesh network (WMN) is a communications network made up of radio nodes organized in a mesh topology. It can also be a form of wireless ad hoc network. [1] A mesh refers to rich interconnection among devices or nodes. Wireless mesh networks often consist of mesh clients, mesh routers and gateways. Mobility of nodes is less frequent.