However, if a row were already open, we could read or write to any section of 8 memory cells using only the 10-bit column address and the column select multiplexer.
This multiplexer takes in the 8192 bitlines on the top, and, depending on the 10-bit address, connects a specific group of 8 bitlines to the 8 input and output IO wires at the bottom.
Next, the column select multiplexer uses the 10-bit column address to connect the corresponding 8 bitlines to the read driver which then sends these 8 values and voltages over the 8 data wires to the CPU.
To convert from an address into something that selects the right row or column, we need a special component called a multiplexer -- which is the computer component with a pretty cool name at least compared to the ALU.
要将地址转换为选择正确行或列的内容,需要一个称为多路复用器的特殊组件——至少与 ALU 相比,这是一个非常酷的名称的计算机组件。