Question

In a magnetic disk drive, a special device called the______________ reads data from and writes data to a disk's surface

Answer 1

In a magnetic disk drive, a special device called the read/write head reads data from and writes data to a disk's surface.

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Answer 2

In a magnetic disk drive, a special device called the read/write head reads data from and writes data to a disk's surface.

Disk read/write heads are the small parts of a disk drive which move above the disk plate and converts the plate's magnetic field into electrical current (read the disk) or, vice versa, alter electrical current into magnetic field ( to write the disk).