The First "Computer Bug"
From the
Naval Historical Center:
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 1945. 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, thus introducing the term "debugging a computer program".
Byte.com has an article about the origins of the "First Bug" which notes that the term had already been in use long before the moth from the Mark II was documented.
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digg)