Platter Photograph - Computer Hard Disk Assembly by Sheila Terry

Computer Hard Disk Assembly is a photograph by Sheila Terry which was uploaded on May 11th, 2013.

Computer Hard Disk Assembly

Computer hard disk assembly. Component parts of a hard disk showing the outer aluminium casing (top), the hard disk platter and read/write head... more

by Sheila Terry

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Title

Computer Hard Disk Assembly

Artist

Sheila Terry

Medium

Photograph

Description

Computer hard disk assembly. Component parts of a hard disk showing the outer aluminium casing (top), the hard disk platter and read/write head (centre), and the controller electronics (bottom). Data are stored on (written) and recalled from (read) the hard disc by changing the electromagnetism of the platter, which is coated with magnetic material. The read/write head (metal arm at centre) can move over the spinning platter 50 times per second. The electronic circuitry controls the movement of the read/write head and the motor that spins the platter. It also organizes the assembly of magnetic domains on the platter in which data are stored.

Uploaded

May 11th, 2013