某计算机内存按字节编址，内存地址区域从AOOOOH到DFFFFH，共有 (17) KB，构成该内区存区域共需采用16K×4bit的SPAM芯片 (18) 片。
A．128
B．256
C．512
D．1024
参考答案：D
解析： 从A0000H到DFFFFH的内存地址区域，共有(DFFFF-A0000+1)16=4000016=4×164=256×210个内存单元，由于按照字节编址，因而内存容量位256×210B，即256 KB。
| 从方框中选出适当的句子补全对话。 | |
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