QWERTY layout and atomic clock: what they have in common

1. Step 1. QWERTY layout — is used in — Keyboard. Computer keyboards inherited the typewriter layout.
2. Step 2. Keyboard — is part of — Synthesizer. A keyboard.
3. Step 3. Synthesizer — has part — Oscillator. Sound oscillators.
4. Step 4. Oscillator — is part of — Atomic clock. A quartz oscillator is tuned to the atoms.

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