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2、1TB=()GB。
A.256
B.512
C.1024
D.2048
参考答案和解析
B 解析:内存空间为:73FFH-7000H=3FFH,共400H,即1024个内存单元。当芯片是8位时,芯片容量为512×8bit;当芯片是16位时,芯片容量为256×16bit。
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