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, 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.
硬盘又叫固定盘有金属材料涂上磁性物质的盘片与盘片读写装置组成。
3
The hard disk is covered with a thin coat of magneticmaterial.