Electric generator and jacquard loom: what they have in common

1. Step 1. Electric generator — has part — Copper wire. Windings.
2. Step 2. Copper wire — is part of — Magnetic-core memory. Wires threaded through them.
3. Step 3. Magnetic-core memory — is part of — Mainframe. Magnetic-core memory.
4. Step 4. Mainframe — uses — Punched card. Programs were entered on punched cards.
5. Step 5. Punched card — is used in — Jacquard loom. Each punched card sets one pass of the pattern.

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