Home›Articles›How Hollerith turned holes in cards into countsArticleHow Hollerith turned holes in cards into countsArticlesConnectionsSourcesComments (0)Reader Challenges (0)ConnectionsArticle OnHerman Hollerith, Pioneers Well-attested SourcesWikipedia: Herman Hollerithtier 2Wikimedia FoundationElectromechanical tabulation of dataQuote, Electromechanical tabulation of dataA key idea was that a datum could be recorded by the presence or absence of a hole at a specific location on a card.View the SourceAtlas Article Vocabularytier 1AtlasComments (0)No comments yet. Be the first to share a thought.Sign in to join the discussion.Reader Challenges (0)No disputes yet. Spotted an error or a better source? Open the first one.Sign in to dispute this or suggest a correction.