Storage Devices and Stored Data
Just the Facts


Why Secondary Storage is Needed


Magnetic Disks


Magnetic Disk Storage


Disk Packs


Hard Disks


Diskettes


3 1/2" Diskette


5 1/4" Diskettes


Diskette Storage


Optical Storage


CD-ROM (Compact Disk Read-Only Memory)


Write-Once, Read Many (WORM) Disks


Magnetic Tape


Magnetic Tape Storage


Cartridge Tapes


Methods of Processing Data