Atomic clock and personal computer: what they have in common

1. Step 1. Atomic clock — has part — Oscillator. A quartz oscillator is tuned to the atoms.
2. Step 2. Oscillator — has part — Capacitor. An LC circuit.
3. Step 3. Capacitor — is part of — RAM. A DRAM bit is stored in a tiny capacitor.
4. Step 4. RAM — is part of — Personal computer. RAM.

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