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  2. Signed overpunch - Wikipedia

    en.wikipedia.org/wiki/Signed_overpunch

    The digit bits contain the numeric value 0–9. The zone bits contain either 'F'x, forming the characters 0–9, or the character position containing the overpunch contains a hexadecimal value indicating a positive or negative value, forming a different set of characters. (A, C, E, and F zones indicate positive values, B and D negative).

  3. IBM PS/ValuePoint - Wikipedia

    en.wikipedia.org/wiki/IBM_PS/ValuePoint

    The PS/ValuePoint (or just ValuePoint) personal computer was IBM's answer to the PC clone market, where the IBM PS/2 could not compete due to price and proprietary interfaces. Announced in October 1992 and withdrawn in July 1995, it was replaced by the IBM PC Series 300 .

  4. IBM System/3 - Wikipedia

    en.wikipedia.org/wiki/IBM_System/3

    The IBM System/3 was an IBM midrange computer introduced in 1969, [1] and marketed until 1985. It was produced by IBM Rochester in Minnesota as a low-end business computer [ 2 ] aimed at smaller organizations that still used IBM 1400 series computers or unit record equipment .

  5. IBM document processors - Wikipedia

    en.wikipedia.org/wiki/IBM_Document_Processors

    On September 1, 1988, a Federally mandated software change was made by IBM to the IBM 3694 to ensure endorsements were printed within a prescribed zone on the back of each document. This change resulted in a tracking number no longer being printed on the cheque which significantly increased audit times.

  6. List of IBM Personal Computer models - Wikipedia

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

    3 Intel 8088: 4.77 256 KB 640 KB 1.2 MB 20 MB Industrial version of the IBM PC XT [33] [34] 7531 Industrial Computer: 7531-041 May 1985: Un­known ISA, 16-bit 8 3 Intel 80286: 6 512 KB 1 MB Un­known Un­known Industrial version of the IBM PC AT, tower form-factor 7532 Industrial Computer: 7532-041 May 1985: Un­known ISA, 16-bit 8 3 Intel ...

  7. IBM alignment models - Wikipedia

    en.wikipedia.org/wiki/IBM_alignment_models

    The IBM alignment models were published in parts in 1988 [4] and 1990, [5] and the entire series is published in 1993. [1] Every author of the 1993 paper subsequently went to the hedge fund Renaissance Technologies .

  8. IBM hammer printers - Wikipedia

    en.wikipedia.org/wiki/IBM_hammer_printers

    A single IBM 5203 (of any model) can be used with the IBM System/3 as an alternative to the IBM 1403. A Model 3 can be attached to an IBM S/370 using an integrated printer attachment (the same one later used by the IBM 3203), meaning it did not use a channel or require a control unit. The covers could be ordered in red, yellow, blue, gray or ...

  9. POWER9 - Wikipedia

    en.wikipedia.org/wiki/POWER9

    POWER9 is a family of superscalar, multithreading, multi-core microprocessors produced by IBM, based on the Power ISA.It was announced in August 2016. [2] The POWER9-based processors are being manufactured using a 14 nm FinFET process, [3] in 12- and 24-core versions, for scale out and scale up applications, [3] and possibly other variations, since the POWER9 architecture is open for licensing ...