In 1947, engineers working on the Harvard University Mark II computer discovered that a malfunction was caused by a real moth trapped inside the machine’s relay system. The insect was carefully removed and taped into the logbook with the note: “First actual case of bug being found.” The incident was famously documented by computer pioneer Grace Hopper, and the term “debugging” quickly entered engineering language. While “bug” had been used informally before, this moment permanently embedded the
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In 1947, engineers working on the Harvard University Mark II comput…
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Harvard’s Mark 1 finds its new home
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harvard.edu
The Mark I, one of the world’s first programmable computers, was designed by Harvard mathematician Howard Aiken in 1937. It recently moved from the Science Center to the newly completed Science and Engineering Complex. | Harvard University
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Computers - Harvard University
Computers - Harvard University
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Harvard Mark I, 2022 with Professor Harry Lewis "The Harvard Mark I, or IBM Automatic Sequence Controlled Calculator (ASCC), was a general-purpose electromechanical computer used in the war effort during the last part of World War II. One of the first programs to run on the Mark I was initiated on 29 March 1944 by John von Neumann. At that time, von Neumann was working on the Manhattan Project, and needed to determine whether implosion was a viable choice to detonate the atomic bomb that would b
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Incoming Assistant Professor Marc Aidinoff explains the history of the Mark I computer and how it changed the way that Harvard thinks about science. | Harvard University
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Incoming Assistant Professor Marc Aidinoff explains the history of th…
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The First Computer "Bug" Was Literal: The term "computer bug" comes from a 1947 incident where a team working on the Harvard Mark II computer found a moth that had flown into a relay, causing a malfunction. The moth was carefully removed and taped into the logbook with the entry "First actual case of bug being found." | WiredWorld
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The First Computer "Bug" Was Literal: The term "computer bug" …
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In 1947, engineers at Harvard University were working on a larg…
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