Harvard Mark I und rocket: was sie gemeinsam haben

1. Schritt 1. Harvard Mark I — nutzt — Punched card. The program was read from punched tape and the data from punched cards.
2. Schritt 2. Punched card — ist hergestellt aus — Paper. Punched cards are stiff card.
3. Schritt 3. Paper — ist Material für — Rocket. The first rockets were paper tubes filled with gunpowder.

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