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:A
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
Explanation:Each side of a platter of a disk has a read–write head that moves across the platter to access different tracks. 2. A __________ is the smallest unit of information that can be read from or written to the disk.