The typical secondary storage medium of a microcomputer is the floppy and hard disks. A floppy disk, or diskette, is a thin circular piece of flexible polyester coated with a magneticmaterial.
微型计算机的典型的辅助存储介质是软盘和硬盘。
2
The hard disk is covered with a thin coat of magneticmaterial.
硬盘被一层薄薄的磁性材料覆盖着。
3
The hard disk, also known as fixed disk, is composed if disk sheets of magnetic substance coated with mental material and read-write devices of the disk sheets.