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  2. IBM 402 - Wikipedia

    en.wikipedia.org/wiki/IBM_402

    The 402 could read punched cards at a speed of 80 to 150 cards per minute, depending on process options, while printing data at a speed of up to 100 lines per minute. The built-in line printer used 43 alpha-numerical type bars (left-side) and 45 numerical type bars (right-side, shorter bars) to print a total of 88 positions across a line of a report.

  3. IBM CPC - Wikipedia

    en.wikipedia.org/wiki/IBM_CPC

    IBM 402 or; IBM 417; The CPC-II Calculator has the following units interconnected by cables: [1] Electronic Calculating Punch IBM 605 with punch unit IBM 527; Accounting Machine IBM 407 or; IBM 412 or; IBM 418; Optional Auxiliary Storage Units (up to 3) IBM 941, each could store 16 decimal numbers with ten digits plus sign. From the IBM ...

  4. List of IBM products - Wikipedia

    en.wikipedia.org/wiki/List_of_IBM_products

    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.

  5. Unit record equipment - Wikipedia

    en.wikipedia.org/wiki/Unit_record_equipment

    1984: The IBM 029 Card Punch, announced in 1964, was withdrawn from marketing. [69] IBM closed its last punch card manufacturing plant. [70] 2010: A group from the Computer History Museum reported that an IBM 402 Accounting Machine and related punched card equipment was still in operation at a filter manufacturing company in Conroe, Texas. [71]

  6. Tabulating machine - Wikipedia

    en.wikipedia.org/wiki/Tabulating_machine

    IBM 402 and 403, from 1948, were modernized successors to the 405. Control panel for an IBM 402 Accounting Machine. The 1952 Bull Gamma 3 could be attached to this tabulator or to a card read/punch. [20] [21] IBM 407. Introduced in 1949, the 407 was the mainstay of the IBM unit record product line for almost three decades.

  7. Casio calculator character sets - Wikipedia

    en.wikipedia.org/wiki/Casio_calculator_character...

    Casio calculator character sets are a group of character sets used by various Casio calculators and pocket computers. [1] ... ^*1 Back control code. ^*2 Forward ...

  8. Signed overpunch - Wikipedia

    en.wikipedia.org/wiki/Signed_overpunch

    In IBM terminology, the low-order four bits of a byte in storage are called the digit, and the high-order four bits are the zone. [4] 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 ...

  9. Line printer - Wikipedia

    en.wikipedia.org/wiki/Line_printer

    [9] [10] The IBM 402 series, introduced after World War II, had a similar print arrangement and was used by IBM in early computing devices, including the IBM Card-Programmed Electronic Calculator. [11] IBM's first commercial computer, the IBM 701, introduced in 1952, used a line printer, the IBM 716, that was based on the type wheel IBM 407 ...