Hello, there is a difference in your understanding:
Computers work using current generated by the directional movement of electrons. This is a solar computer. Its full name is solar photoelectric computer. Understand the principle of solar power generation:
The solar power generation panel is made of two layers of silicon plates (P plate and N plate). They are close to each other and generate their own electric field. When the sun shines on electrons, they capture photons. The energy transitions through the panels and generates current. The solar computer is therefore always an electronic computer.
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The power of the solar cell on the calculator is very low, only 0.05 W. If you want to know if it is "useful", there is a methodsimple test: remove the button battery in the case. calculator and leave the calculator Facing the sun, turn on the calculator If the calculator can work normally, it means the energy at this time comes from solar cells.