Tv tuner module and laser: what they have in common

1. Step 1. Tv tuner module — is part of — Set-top box. It receives a digital signal.
2. Step 2. Set-top box — has part — System on a chip (SoC). Inside is an SoC.
3. Step 3. System on a chip (SoC) — is part of — Smart TV. SoC.
4. Step 4. Smart TV — has part — Pixel matrix (OLED). The screen is a pixel matrix.
5. Step 5. Pixel matrix (OLED) — is made of — Semiconductor. Organic semiconductors.
6. Step 6. Semiconductor — is material for — Laser. Maiman’s first laser was a ruby crystal; today it is more often a semiconductor.

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