ARM architecture and internal combustion engine: what they have in common

1. Step 1. ARM architecture — is used in — System on a chip (SoC). Smartphone SoCs are ARM.
2. Step 2. System on a chip (SoC) — has part — Microprocessor. Inside the SoC are processor cores.
3. Step 3. Microprocessor — is part of — Engine control unit. A microprocessor.
4. Step 4. Engine control unit — is part of — Internal combustion engine. An engine control unit.

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