The following are types of storage media.
Floppy disk
Magnetic disk
Hard disk
CD-ROM
CD-R
CD-RW
Storage media
Optical disk
MO
USB memory
Flash memory
Computer system
Streamer
Other
Chapter 8
DVD-ROM
DVD-RAM
DVD-R
DVD-RW
Memory card
(Semiconductor memory)
(1)Magnetic disk
A “magnetic disk” is a type of storage media that uses magnetization to
read and write data.
The characteristics and storage capacities of typical types of magnetic
disks are summarized below.
Storage device
Storage
media
Characteristics
Storage capacity
FDD (Floppy
Disk Drive)
Floppy disk
Reads and writes data to floppy storage media comprising
of a plastic case that contains
a thin, magnetic-coated film
disk.
720KB
1.44MB
HDD (Hard
Disk Drive)
Hard disk
Reads and writes data to storage media comprising of multiple magnetic-coated metal
disks. The standard storage
media used for computers.
Tens of GB
(gigabytes) to
several TB
(terabytes)
* Approximate capacities as of May 2009.
Floppy disk
Hard disk
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