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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.
An IBM PC 340. The PC 340, introduced in 1996, [2] was a budget model. It used the Pentium processor clocked at 100, 133 or 166 MHz. It had 4 ISA and 3 PCI expansion slots and four (2 external 5.25 inch, 1 external and 1 internal 3.5 inch) drive bays. It had 4 SIMM-72 RAM slots, and featured an IBM SurePath BIOS. The submodels were:
The IBM Personal Computer (model 5150, commonly known as the IBM PC) is the first microcomputer released in the IBM PC model line and the basis for the IBM PC compatible de facto standard. Released on August 12, 1981, it was created by a team of engineers and designers at International Business Machines (IBM), directed by William C. Lowe and ...
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 System/390 is a discontinued mainframe product family implementing ESA/390, the fifth generation of the System/360 instruction set architecture.The first computers to use the ESA/390 were the Enterprise System/9000 (ES/9000) family, which were introduced in 1990.
On August 12th, 1981, IBM introduced their first PC model, also known as the 5150. Can you imagine functioning today. ... 1990: The largest Tyrannosaurus Rex skeleton discovered in South Dakota.
After IBM introduced the IBM PC, it was not until 1984 that IBM PC and clones became the dominant computers. [4] In 1983, Byte forecast that by 1990, IBM would command only 11% of business computer sales. Commodore was predicted to hold a slim lead in a highly competitive market, at 11.9%.
As well as being IBM's first 386-based PC, the Model 80 was the company's second Intel-powered PC built into a tower case. [12] The case was identical to the Model 60—IBM's first Intel-based tower computer—down to the carrying handle included on top of the machine, to aid in lifting the relatively heavy computer, at roughly 40 pounds (18 kg).