magnetic disk - A hard disk or floppy disk, the primary means of data storage for a computer.Data on disks is magnetically recorded and can also be erased and re-recorded. The data is stored in concentric rings called tracks, which are further divided into numbered sectors.The disk rotates as a mechanical arm moves a read/write head back and forth.The head writes data by aligning magnetic particles on the disk's surface, and reads data by detecting the polarities of particles that have already been aligned.
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дс тдрлими цюлютдажкию дроемжки аиакиохдйис лидр
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