Magnetic Drum

e drum The drum on which magnetic oxide coating is made is called magnetic drum. It is basically used to store a large amount of binary information. Each track in the drum is controlled by one read/write head. As the drum rotates, the binary data can be stored along the tracks of the drum, or the data can be read from the tracks. Out of all the tracks one track is taken as timing track due to which reading or writing related to any particular track is controlled.