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@interlisp@fosstodon.org

2026-04-29 10:42 UTC

A quotation from a report on BBN Lisp, the predecessor of Interlisp, hints it was published in 1966: "[...] magnetic core memory (the only large scale random-access memory available) is very expensive relative to serial memory devices such as magnetic drums or discs." https://apps.dtic.mil/sti/pdfs/AD0632669.pdf #interlisp #bbn #lisp #retrocomputing

Replies (1)

  • @djl@mastodon.mit.edu 2026-04-29 12:37

    @interlisp By 1972 the price of magentic core memory had come down to (drum roll) one million dollars per megabyte. And a megabyte took up the space of a large refrigerator. And it sometimes had parity errors. https://pbase.com/davidjl/image/174368482

    Open ##2052907