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In January 2013 Lenovo announced the ThinkVision LT1423p, a mobile touchscreen display designed for use with Microsoft's Windows 8 operating system. The LT1423p is a 13.3-inch AH-IPS display with 1600x900 resolution. The face of the device is Gorilla Glass in order to make it more durable. Pen-based and multitouch finger-based input are both ...
The ThinkCentre Tiny-In-One II is Lenovo's second-generation all-in-one desktop computer. Its modular design allows its display and internals to be upgraded as needed. The ThinkCentre Tiny-In-One II comes in versions with 22-inch and 24-inch anti-glare displays with thin bezels and optional multitouch input.
Back of a CGA Video Adapter board, with the RCA composite output connector visible on the right. The Color Graphics Adapter uses a standard RCA connector for connection to an NTSC-compatible television or composite video monitor. [3] The connector on the card is female and the one on the monitor cable is male.
For a CRT, the gamma that relates brightness to voltage is usually in the range 2.35 to 2.55; video look-up tables in computers usually adjust the system gamma to the range 1.8 to 2.2, [1] which is in the region that makes a uniform encoding difference give approximately uniform perceptual brightness difference, as illustrated in the diagram at ...
Despite popularity of its ThinkPad set of laptop PC's, IBM finally relinquished its role as a consumer PC manufacturer during April 2005, when it sold its laptop and desktop PC divisions (ThinkPad/ThinkCentre) to Lenovo for US$1.75 billion. As of October 2007, Hewlett-Packard and Dell had the largest shares of the PC market in North America.
Products, services, and subsidiaries have been offered from International Business Machines (IBM) Corporation and its predecessor corporations since the 1890s. [1] This list comprises those offerings and is eclectic; it includes, for example, the AN/FSQ-7, which was not a product in the sense of offered for sale, but was a product in the sense of manufactured—produced by the labor of IBM.
IBM PC with MDA monitor. While most home computers had built-in video output hardware, IBM took the unusual approach of offering two different graphics options, the MDA and CGA cards. The former provided high-resolution monochrome text, but could not display anything except text, while the latter provided medium- and low-resolution color ...
All of the new PS/2 graphics systems (whether MCGA, VGA, 8514, or later XGA) used a 15-pin D-sub connector for video out. This used analog RGB signals, rather than four or six digital color signals as on previous CGA and EGA monitors. The digital signals limited the color gamut to a fixed 16- or 64-color palette with no room for expansion.