All of them sound like a lot of bytes. To find out more about these quantities and how they measure up in terms of information and data storage, consult the Data Powers of Ten site by Roy Williams of Cal Tech. Magnetic Tape Magnetized tape is used to archive and store large amounts of data.
Tape has the advantage of being a cheap form of offline storage.
A listing of topics about the variety and uses of magnetic tape for storage. Most computer systems depend upon magnetic disks for their chief source of online secondary storage. A listing of topics that provide more about magnetic disk technology. Find out what goes for this cutting edge technology. A listing of related topics about input and output devices.