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English: 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". (The term "debugging" already existed; thus, finding an actual bug was an amusing occurrence.) In 1988, the log, with the moth still taped by the entry, was in the Naval Surface Warfare Center Computer Museum at Dahlgren, Virginia, which erroneously dated it 9 September 1945. The Smithsonian Institute's National Museum of American History and other sources have the correct date of 9 September 1947 (Object ID: 1994.0191.01). The Harvard Mark II computer was not complete until the summer of 1947. Removed caption read: Photo # NH 96566-KB First Computer "Bug", 1945
Source U.S. Naval Historical Center Online Library Photograph NH 96566-KN
The above link is no longer valid on 13.04.2017, the image available here.
Author Courtesy of the Naval Surface Warfare Center, Dahlgren, VA., 1988.
(Reusing this file)
Public domain
This file is a work of a sailor or employee of the U.S. Navy, taken or made as part of that person's official duties. As a work of the U.S. federal government, the image is in the public domain in the United States.
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current08:02, 21 July 2012Thumbnail for version as of 08:02, 21 July 2012740 × 583 (89 KB)Cwbm (commons)Reverted to version as of 21:04, 23 March 2007; wrong rotation
05:34, 20 July 2012Thumbnail for version as of 05:34, 20 July 2012576 × 740 (89 KB)RotatebotBot: Image rotated by 90°
21:04, 23 March 2007Thumbnail for version as of 21:04, 23 March 2007740 × 583 (89 KB)DcoetzeeLosslessly remove caption bar with JPEGCrop
23:02, 24 May 2005Thumbnail for version as of 23:02, 24 May 2005740 × 615 (94 KB)Roo72Photo of first Computer bug, public domain image from [ US Navy]. From the website: '''Photo #: NH 96566-KN (Color)''' '''The First "Computer Bug"''' Moth found trapped between points at

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