Engineers were using the word bug for technical faults long before the 1947 Mark II moth incident.

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Location PART 1 - TONS OF PUNKS, ONE BIG JERK CHAPTER 2: NO MOAT IN BLOAT From Cosmic Rays to Bungee Jumps

"Engineers were using the word bug for technical faults long before the 1947 Mark II moth incident."

The Smithsonian notes that American engineers had used bug for machine flaws for more than a century and cites Thomas Edison using the term in the 1870s.

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Source title Log Book With Computer Bug

Source authors Smithsonian Institution

Source year 1947

Confidence high

Importance low