Irreversibility and heat generation in the computing process

@article{Landauer2000IrreversibilityAH,
  title={Irreversibility and heat generation in the computing process},
  author={R. Landauer},
  journal={IBM Journal of Research and Development},
  year={2000},
  volume={44},
  pages={261-269}
}
It is argued that computing machines inevitably involve devices which perform logical functions that do not have a single-valued inverse. This logical irreversibility is associated with physical irreversibility and requires a minimal heat generation, per machine cycle, typically of the order of kT for each irreversible function. This dissipation serves the purpose of standardizing signals and making them independent of their exact logical history. Two simple, but representative, models of… CONTINUE READING

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