Summary of secondary storage media. Floppy disk, direct access and removeable.Use Slow Sequential Access Hard disk, high capacity and fastest direct access. Use Store Programs and Data CD-ROM High capacity and removable direct access. Use Entertainment Software, Reference Material Magnetic Tape, High capacity and inexpensive.Use Back-up Programs and Data.
Devices other than primary devices are known as secondary devices. When we categorize them in storage devices they are known as secondary storage devices . Examples of secondary storage devices are pen drives , Compact discs ,external hard disk etc