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An IBM T221 monitor with a full 80x24 xterm window with the normal 6x13 "fixed" font. The IBM T220 and T221 are LCD monitors that were sold between 2001 and 2005, with a native resolution of 3840×2400 pixels on a screen with a diagonal of 22.2 inches (564 mm).
On October 26, 1970, the U.S. Postal Service awarded IBM a US$6.7 million contract to develop the Advanced Optical Character Reader Postal Service. Development was carried out by both IBM Rochester and the IBM Federal Systems Division in IBM Gaithersburg. The goal was to sort 1 million letters in a 24-hour operating period. [41]
The exact amount of reduction differed between monitor models: the original IBM 5153 Personal Computer Color Display reduces the green signal's amplitude by about one third, [12] while the IBM 5154 Enhanced Color Display internally converts all 4-bit RGBI color numbers to 6-bit ECD color numbers, [8] which amounts to halving the green signal's ...
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.
The IBM WorkPad z50 is a handheld PC that was marketed by IBM as part of the IBM WorkPad series. It runs on Windows CE.
The IBM Personal Computer, commonly known as the IBM PC, spanned multiple models in its first generation (including the PCjr, the Portable PC, the XT, the AT, the Convertible, and the /370 systems, among others), from 1981 to 1987. It eventually gave way to many splintering product lines after IBM introduced the Personal System/2 in April 1987.
The monitor has an 11.5-inch wide CRT (measured diagonally) with 90 degree deflection, etched to reduce glare, with a resolution of 350 horizontal lines and a 50 Hz refresh rate. [ 3 ] [ 4 ] [ 6 ] It uses TTL digital inputs through a 9-pin D-shell connector, being able to display at least three brightness levels, according to the different pin ...
IBM 3277 Model 2. The IBM 3270 is a family of block oriented [1] display and printer computer terminals introduced by IBM in 1971 [2] and normally used to communicate with IBM mainframes. The 3270 was the successor to the IBM 2260 display terminal. [3] Due to the text color on the original models, these terminals are informally known as green ...