How a Transistor Works: A Switch for 0 and 1 Explained 4K - 4K 影片檔
A cross-section of a transistor shows the source, drain and gate above a thin insulator on silicon. When voltage reaches the gate a channel forms, electrons flow from source to drain and the output reads 1; when the gate turns off the channel closes, current stops and the output reads 0. The switch flips back and forth, ending on the reminder that billions of these switches make up one chip.
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