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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.
The PS/1 (known in some European countries as the PS/1000 [1]: 95 ) is a brand for a line of personal computers that marked IBM's return to the home market in 1990, five years after the IBM PCjr. It was replaced by the IBM Aptiva in September 1994.
For the majority of 1990, it was the best-selling personal computer in the United States. [13] By 1991, it was the best selling x86-based PC globally. [1] It was IBM's best-selling PS/2 by a significant margin, with the company selling 25,000 units of the computer in August 1990 alone. [6]
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 ...
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.
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 RISC System/6000 (RS/6000) is a family of RISC-based (Reduced Instruction Set Computer-based) Unix servers, workstations and supercomputers made by IBM in the 1990s. The RS/6000 family replaced the IBM RT PC computer platform in February 1990 and is the first computer line to see the use of IBM's POWER and PowerPC based microprocessors.
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%.