Clay core e Máquina analítica de Babbage: o que têm em comum

1. Passo 1. Clay core — faz parte de — Levee. A clay layer that keeps water out.
2. Passo 2. Levee — é feito de — Argila. Levees were built up of earth and clay.
3. Passo 3. Argila — é material para — Movable type. Bi Sheng’s type was made of fired clay.
4. Passo 4. Movable type — faz parte de — Gutenberg printing press. Text is set from metal type.
5. Passo 5. Gutenberg printing press — funciona como — Jacquard loom. An analogy, not proven influence: both set type and a chain of punched cards are a replaceable pattern that a machine reproduces over and over.
6. Passo 6. Jacquard loom — inspirou — Máquina analítica de Babbage. Babbage borrowed Jacquard’s punched cards directly for entering operations and data; Ada Lovelace compared the machine to the Jacquard loom.

Abrir Evothings