What’s the energy cost to run a 64 bit reversible computer at the room temperature?
What’s the energy cost to run a 64 bit reversible computer at the room temperature?
Homework Answers
This question is based on Landauer's principle.
which states thet
Landauer’s principle sets the lower bound to the heat released when one bit of information is erased as kBT ln(2) when the erasure takes place at temperature T, and with kB the Boltzmann constant.
Qdissipated = kBT ln2.
At T = 20 °C (room temperature, or 293.15 K).
The Landauer limit represents an energy of approximately 0.0175 eV for 1 bit
For 64 bit enerfy required = 1.12 eV = 1.79443782 × 10-19 joules
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