Datenbank und stone tool: was sie gemeinsam haben

1. Schritt 1. Datenbank — entwickelte sich aus — Hollerith tabulator. Processing large datasets began with tabulators.
2. Schritt 2. Hollerith tabulator — nutzt — Punched card. The 1890 census data was encoded on punched cards.
3. Schritt 3. Punched card — ist hergestellt aus — Paper. Punched cards are stiff card.
4. Schritt 4. Paper — ist Material für — Fire lance. The barrel of a fire lance is a paper or bamboo tube.
5. Schritt 5. Fire lance — entwickelte sich aus — Spear. The fire lance was a spear with a tube of gunpowder — the first step to firearms.
6. Schritt 6. Spear — hat als Teil — Stone tool. Early spearheads were made of stone.

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