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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.
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.
All data in IBM i, such as data files, source code, programs and regions of allocated memory, are encapsulated inside objects managed by the operating system (cf. the "Everything is a file" model in Unix). IBM i objects have a fixed type, which defines the set of applicable operations which may be carried out on them (for example, a Program ...
Servers running processors based on the IBM PowerPC-AS architecture in the AS/400 family (later known as iSeries, then System i) running OS/400 (later known as i5/OS, and now IBM i) Servers and workstations using POWER and PowerPC processors in the RS/6000 family (later known as pSeries, then System p), running IBM AIX and Linux on Power.
Secondly, IBM decided to reserve one and two digit model numbers for personal systems (e.g. PS/2 and PS/55), three digit numbers for midrange systems (e.g. AS/400) and four digit numbers for mainframes (e.g. ES/9000). The reassignment of two digit model numbers from midrange systems to personal systems was to prevent the personal systems from ...
IBM ThinkPad i series — laptop line (1998–2002) IBM eServer iSeries — server line (2000-2004) Also may refer to IBM i Operating system (2008-current).
The Deskpro 386 was the first implementation of the 80386 processor in a computer system for sale to the public. [9] The Model 40 retailed for US$6,499 (equivalent to $18,065), the Model 70 for $7,299, and the Model 130 for $8,799 (equivalent to $24,458).
The largest announced model had a 100-fold performance over the smallest model, and the clock frequency ranged from 67-111 MHz (15-9 ns) in the 9021 and 67 MHz in the 9121 to 26-33 MHz (38-30 ns) in the 9221. The 9221 models 120, 130 and 150 were initially available only with the "System/370 Base Option"; the "ESA Option" shipped in July 1991.