Remember Those? A Trip Through Technology Then and Now

  • By

    Channel Insider Staff

    | Posted 2008-07-02

THEN: IBM 1620 Data Processor and IBM 1621 Tape Reader

The IBM 1620 was a general-purpose, stored-program data processing system designed for research and engineering. It featured punch-card, paper tape and keyboard input and offered large-capacity storage for up to 60,000 digits, high processing speeds with average access time of  20 microseconds, and compatibility with other IBM equipment using FORTRAN.


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