IBM 1401 Input/Output Control System
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This 44-page booklet describes the programming required to use IOCS to control the input/output of data from card reader, card punch, printer, and tape files. The IOCS descriptive entries (DIOCS and DTF) and macro instructions are explained in detail. The types of data records and tape labels handled by IOCS are defined.
This exhibit has a reference ID of CH17063. Please quote this reference ID in any communication with the Centre for Computing History. |
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