In magnetic disk ________ stores information on a sector magnetically as reversals of the direction of magnetization of the magnetic material. - PrepBharat

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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 arm

Answer: d
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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