盘片上均匀地涂上一种极薄的磁性材料，并按指定格式化，就成了保存信息的磁盘。
Disc evenly coated with a kind of very thin magnetic material, according to the specified format, it becomes a disk to save information.
有磁性地读数据记录在特别涂上一层的塑料上音带或有柔性的或叭塌叭塌响的塑料磁盘片的装置是流行的。
Devices that read data magnetically recorded on specially coated plastic tapes or flexible or floppy plastic disks are popular.
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