File:First Computer Bug, 1945.jpg

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Description

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

Date

9 September 1947

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The above link is no longer valid on 13.04.2017, the image available here.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.

Permission
(Reusing this file)

	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, it is in the public domain in the United States.
	This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights.

Other versions

http://americanhistory.si.edu/collections/search/object/nmah_334663

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File history

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	Date/Time	Dimensions	User	Comment
current	08:02, 21 July 2012	740 × 583 (89 KB)	Cwbm (commons)	Reverted to version as of 21:04, 23 March 2007; wrong rotation
	05:34, 20 July 2012	576 × 740 (89 KB)	Rotatebot	Bot: Image rotated by 90°
	21:04, 23 March 2007	740 × 583 (89 KB)	Dcoetzee	Losslessly remove caption bar with JPEGCrop
	23:02, 24 May 2005	740 × 615 (94 KB)	Roo72	Photo of first Computer bug, public domain image from [http://www.history.navy.mil/photos/images/h96000/h96566kc.htm US Navy]. From the website: '''Photo #: NH 96566-KN (Color)''' '''The First "Computer Bug"''' Moth found trapped between points at