Digital television and GPS (satellite navigation): what they have in common

1. Step 1. Digital television — is used in — Set-top box. It decodes digital TV.
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 — Car navigator. An SoC does the computing.
4. Step 4. Car navigator — uses — GPS (satellite navigation). GPS.

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