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The First “Computer Bug”

Moth found trapped between points at Relay # 70, Panel F, of the Mark II Aiken Relay Calculator while it was being tested at Harvard University, 9 September 1947. The operators affixed the moth to the computer log, with the entry: “First actual case of bug being found”. They put out the word that they had “debugged” the machine.
In 1988, the log, with the moth still taped by the entry, was in the Naval Surface Warfare Center Computer Museum at Dahlgren, Virginia.

Courtesy of the Naval Surface Warfare Center, Dahlgren, VA., 1988.
NHHC Collection

Was the first computer ‘bug’ a real insect?

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