CAPTCHA und CNC-Maschine: was sie gemeinsam haben

1. Schritt 1. CAPTCHA — nutzt — Optical character recognition (OCR). Distorted text that is hard for OCR.
2. Schritt 2. Optical character recognition (OCR) — ist eine Art von — Algorithmus. OCR is an algorithm that turns a picture of letters into text.
3. Schritt 3. Algorithmus — wird verwendet in — Program control of a machine. A program is a written algorithm.
4. Schritt 4. Program control of a machine — wird verwendet in — CNC-Maschine. The tool’s movement is set by a program — at first on punched tape.

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