In magnetic disk ________ stores information on a sector magnetically as reversals of the direction of magnetization of the magnetic material.(a) Read–write head(b) Read-assemble head(c) Head–disk assemblies(d) Disk armThis question was posed to me in homework.I want to ask this question from Magnetic Disk and Flash Storage in division Storage and File Structures of Database Management

In magnetic disk ________ stores information on a sector magnetically

1.	In magnetic disk ________ stores information on a sector magnetically as reversals of the direction of magnetization of the magnetic material.(a) Read–write head(b) Read-assemble head(c) Head–disk assemblies(d) Disk armThis question was posed to me in homework.I want to ask this question from Magnetic Disk and Flash Storage in division Storage and File Structures of Database Management
Answer» The correct OPTION is (d) Disk arm The best explanation: Each side of a platter of a disk has a read–write HEAD that MOVES across the platter to access different tracks.

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