Image:GraceHopper.jpg

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Grace Hopper in earlier years
(Source: IEEE Virtual Museum)

Grace Hopper is often erroneously cited as having coined the term "computer bug" after people working for her found a moth in a relay, which had caused a failure in the Harvard Mark II computer (in 1947). Although this may be the first actual computer "bug" found (its remains are preserved, taped to a page of the team's logbook), the term "bug" had been in use among engineers for many years prior to that.

Hopper is also credited as an early developer of the concept of the compiler (for the language A-0).

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