Discrete cosine transform and jacquard loom: what they have in common

1. Step 1. Discrete cosine transform — is used in — MP3. A modified DCT.
2. Step 2. MP3 — uses — Algorithm. A compression algorithm.
3. Step 3. Algorithm — is used in — Program control of a machine. A program is a written algorithm.
4. Step 4. Program control of a machine — is used in — Jacquard loom. The chain of cards is the program of the pattern.

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