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86
True World

The text states that the first computer 'bug' was an actual moth that got trapped in 1947.

The claim that the world's first computer 'bug' was an actual insect is historically accurate. In 1947, a moth was discovered in the Mark II computer at Harvard University, leading to the first recorded instance of a 'bug' in computing. This incident popularized the term 'debugging,' which is still used today. Multiple credible sources corroborate this event, including a historical entry from a computer log maintained by the Smithsonian Institution. Therefore, both claims are verified as true, supported by historical documentation and reputable sources.

June 16, 2026 Language: en 2 claims analyzed

Individual Claims

86
True Technology
The World's first computer 'bug' was an actual bug.
The claim is supported by multiple reliable web sources indicating that in 1947, a moth was found in the Harvard Mark II computer, which was recorded as the first 'bug'. This event was documented and the term 'debugging' became popular through this incident.
Fact Check Score None
Fact Check Weight 0
Web Consensus Score 95
Web Consensus Weight 50
Source Quality Score 90
Source Quality Weight 25
Llm Reasoning Score 90
Llm Reasoning Weight 25
Weighted Total 86
Evidence Summary 3 web sources corroborate the historical event of the first bug.
86
True Technology
A moth got trapped inside a computer in 1947.
Multiple sources confirm that in 1947, a moth was indeed found trapped in the Harvard Mark II computer, leading to a popular case of debugging. This is supported by credible historical records.
Fact Check Score None
Fact Check Weight 0
Web Consensus Score 95
Web Consensus Weight 50
Source Quality Score 90
Source Quality Weight 25
Llm Reasoning Score 90
Llm Reasoning Weight 25
Weighted Total 86
Evidence Summary 3 web sources corroborate the historical incident of the moth.

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