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  2. IBM 1400 series - Wikipedia

    en.wikipedia.org/wiki/IBM_1400_series

    The IBM 1400 series are second-generation mid-range business decimal computers that IBM marketed in the early 1960s. The computers were offered to replace tabulating machines like the IBM 407 . The 1400-series machines stored information in magnetic cores as variable-length character strings separated on the left by a special bit, called a ...

  3. Support programs for OS/360 and successors - Wikipedia

    en.wikipedia.org/wiki/Support_programs_for_OS/...

    These are utility program that IBM documents in service aids or diagnosis [6] manuals. The original OS/360 Service aids had names beginning with IFC and IM*, but IBM changed the naming convention to HM* for OS/VS1 and to AM* for OS/VS2. IBM did not change the IFC convention.

  4. IBM Personal Computer AT - Wikipedia

    en.wikipedia.org/wiki/IBM_Personal_Computer_AT

    The IBM PC AT came with a 192-watt switching power supply, significantly higher than the 130-watt XT power supply. According to IBM's documentation, in order to function properly, the AT power supply needed a load of at least 7.0 amperes on the +5 V line and a minimum of 2.5 amperes on its +12 V line.

  5. IBM Common User Access - Wikipedia

    en.wikipedia.org/wiki/IBM_Common_User_Access

    Common User Access (CUA) is a standard for user interfaces to operating systems and computer programs.It was developed by IBM and first published in 1987 as part of their Systems Application Architecture.

  6. IBM 6400 - Wikipedia

    en.wikipedia.org/wiki/IBM_6400

    The IBM 6400 family of line matrix printers [1] were modern highspeed business computer printers introduced by IBM in 1995. These printers were designed for use on a variety IBM systems including mainframes , servers , and PCs.

  7. IBM 7-track - Wikipedia

    en.wikipedia.org/wiki/IBM_7-track

    IBM 726 Magnetic tape reader/recorder; IBM 727 Magnetic tape unit; Bitsavers.org Magnetic Tape Equipment manuals (PDF files) A22-6589-1_magTapeReference_Jun62.pdf – Reference manual for 7 track drives; IBM 727 Magnetic tape unit (photo) Sold with 705 in 1955.

  8. IBM BASIC - Wikipedia

    en.wikipedia.org/wiki/IBM_BASIC

    The IBM Personal Computer BASIC, commonly shortened to IBM BASIC, is a programming language first released by IBM with the IBM Personal Computer, Model 5150 (IBM PC) in 1981. IBM released four different versions of the Microsoft BASIC interpreter, licensed from Microsoft for the PC and PCjr. They are known as Cassette BASIC, Disk BASIC ...

  9. IBM System/23 Datamaster - Wikipedia

    en.wikipedia.org/wiki/IBM_System/23_Datamaster

    The System/23 Datamaster (Model 5322 desktop model [2] and Model 5324 floor model [3]) is an 8-bit microcomputer developed by IBM.Released in July 1981, [4] the Datamaster was the least expensive IBM computer until the far less expensive and far more popular IBM PC was announced in the following month.