Turing machine and camera: what they have in common

1. Step 1. Turing machine — is used in — Computer. A computer is a universal Turing machine.
2. Step 2. Computer — has part — Flash memory. Modern computers store data on SSDs with flash memory.
3. Step 3. Flash memory — is part of — Digital camera. A memory card.
4. Step 4. Digital camera — evolved from — Camera. A sensor instead of film.

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