This document discusses and compares various storage media devices including tape drives, optical discs, solid state drives, and portable music players. Tape drives are cheaper than disks but have slower access, while optical discs like CDs and DVDs can hold more data than floppy disks but have slower transfer rates than hard disks. Solid state drives are more compact and robust than hard disks but are more expensive per gigabyte. The document provides advantages and disadvantages of each storage medium.