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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. List of widget toolkits - Wikipedia

    en.wikipedia.org/wiki/List_of_widget_toolkits

    PyGTK, open source is a set of Python wrappers for the GTK graphical user interface library. wxPython, open source (wxWindows License) is a wrapper for the cross-platform GUI API wxWidgets for the Python programming language.

  4. Punched card input/output - Wikipedia

    en.wikipedia.org/wiki/Punched_card_input/output

    An IBM 80-column punched card of the type most widely used in the 20th century IBM 1442 card reader/punch for 80 column cards. A computer punched card reader or just computer card reader is a computer input device used to read computer programs in either source or executable form and data from punched cards.

  5. Plugboard - Wikipedia

    en.wikipedia.org/wiki/Plugboard

    An IBM tabulating machine, such as the 402 or 407 series would have several counters available in different sizes. (For example, the IBM 402/403 had four sets each of 2, 4, 6 and 8 digit counters, labeled 2A, 2B, 2C, 2D, 4A, 4B etc.) Each counter had two counter control entries to specify either addition (plus) or subtraction (minus). If ...

  6. Standard Widget Toolkit - Wikipedia

    en.wikipedia.org/wiki/Standard_Widget_Toolkit

    The first Java GUI toolkit was the Abstract Window Toolkit (AWT), introduced with Java Development Kit (JDK) 1.0 as one component of Sun Microsystems' Java platform. The original AWT was a simple Java wrapper library around native (operating system-supplied) widgets such as menus, windows, and buttons.

  7. IBM Common User Access - Wikipedia

    en.wikipedia.org/wiki/IBM_Common_User_Access

    IBM wanted a standard way to interact with text-based user interface software, whether the screen was a dumb terminal connected to a mainframe or a PS/2 with VGA graphics. [1] CUA was a detailed specification and set strict rules about how applications should look and function.

  8. 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.

  9. RPL (programming language) - Wikipedia

    en.wikipedia.org/wiki/RPL_(programming_language)

    The following example uses the IFT function to pop an object from the bottom of the stack and, if it is equal to 1, replaces it with "One": « 1 == "One" IFT » The following example uses the IFTE function to pop an object from the bottom of the stack and, if it is equal to 1, replaces it with "One".