Personal computer and radio: what they have in common

1. Step 1. Personal computer — has part — RAM. RAM.
2. Step 2. RAM — has part — Capacitor. A DRAM bit is stored in a tiny capacitor.
3. Step 3. Capacitor — is part of — Oscillator. An LC circuit.
4. Step 4. Oscillator — is part of — Radio. A carrier frequency oscillator.

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