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How does DRAM work?
How does the computer read the data from DRAM?
To read data from DRAM, the computer sends a signal to the row of capacitors that contain the data that needs to be read. This signal causes the capacitors in the row to discharge their stored charge onto a bitline, which is a wire that runs horizontally across the grid of capacitors. The bitline then carries the signal to a sense amplifier that amplifies the voltage and sends a digital signal back to the computer indicating whether the bits are a 0 or 1.