某计算机的主存储器以字节为单位进行编址，其主存储器的容量为1TB，也就是（ ）。
- A.230
- B.210KB
- C.210MB
- D.210GB
正确答案及解析
正确答案
解析
1 B=8 bit
1 KB=210 B=1024 B
1 MB=210 KB=220 B=1024*1024 B
1 GB=210 MB=220KB=230 B=1024*1024*1024 B
1 TB=210 GB=220 MB=230KB=240B=1024*1024*1024 *1024 B
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