檢視数据块的原始碼

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|<center>'''数据块'''<br><img
src=" https://www.souidc.com/images/article/20198301.jpg" width="280"></center><small>  圖片來自优酷</small> 
|}
数据块是一组或几组按顺序连续排列在一起的记录，是[[主存储器]]与[[输入设备]]、[[输出设备]]或[[外存储器]]之间进行传输的数据单位。