单项选择题
A.MB B.GB C.KB D.B
A.1MB=1024GB B.1MB=1024KB C.1KB=1024GB D.1GB=1024KB
A.128 B.320 C.1000 D.1024
A.1024*1024*1024 B.1024*1024 C.1024 D.10.24
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