This document discusses different types of storage devices including floppy diskettes, compact discs (CDs), digital versatile discs (DVDs), jump drives, USB flash drives, hard drives, LS-120 drives, and Zip drives. It notes that hard drives are usually the largest storage device in a computer and contain the operating system and most files, while other devices like floppy diskettes, CDs, DVDs, jump drives and Zip drives are used for portable or backup storage.