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  2. IBM Personal Computer - Wikipedia

    en.wikipedia.org/wiki/IBM_Personal_Computer

    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 ...

  3. List of IBM Personal Computer models - Wikipedia

    en.wikipedia.org/wiki/List_of_IBM_Personal...

    The original IBM Personal Computer, with monitor and keyboard. 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.

  4. Timeline of DOS operating systems - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_DOS_operating...

    On April 5, IBM releases CP/M-86 (price: $240) as the third operating system it is offering for the IBM PC, after a delay for functional, usability and performance testing (when first loaded out of the box, it displays the date 2/10/82, perhaps suggesting when it was finished). For about six months PC DOS was the only operating system available ...

  5. History of personal computers - Wikipedia

    en.wikipedia.org/wiki/History_of_personal_computers

    Columbia Data Products released the MPC 1600 in 1982, which was the first clone of the original IBM PC model 5150, but with more RAM and more expansion slots. Also in 1982, DEC released the Rainbow 100 which could run several operating systems including MS-DOS. [90] [91]

  6. IBM PC Series - Wikipedia

    en.wikipedia.org/wiki/IBM_PC_Series

    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:

  7. Timeline of computing 1980–1989 - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_computing_1980...

    IBM XT released, similar to the original IBM PC but with a hard drive. It had a 10 MB hard disk, 128 KB of RAM, one floppy drive, mono monitor and a printer, all for $5000. US Compaq Portable released, the first IBM PC compatible machine released with an IBM PC compatible BIOS written from scratch. US MS-DOS 2.0, PC DOS 2.0

  8. Influence of the IBM PC on the personal computer market

    en.wikipedia.org/wiki/Influence_of_the_IBM_PC_on...

    On August 12, 1981, IBM released the IBM Personal Computer. [10] One of the most far-reaching decisions made for IBM PC was to use an open architecture, [11] leading to a large market for third party add-in boards and applications; but finally also to many competitors all creating "IBM-compatible" machines.

  9. IBM 5100 - Wikipedia

    en.wikipedia.org/wiki/IBM_5100

    When the IBM PC was introduced in 1981, it was originally designated as the IBM 5150, putting it in the "5100" series, though its architecture was unrelated to the IBM 5100's. [4] The 5100 was IBM's second transportable computer. Previously, a truck-based IBM 1401 was configured in 1960 for military use and referred to as a mobile computer. [5]