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Unformatted text preview: shown in the figure below. The platter serves as the area where the data can be stored. The arm is used to control the heads that read and write data onto the platter. The arms need to move quickly and accurately. An electronic board controls its movements. To increase the capacity on a hard drive, multiple platters and arms may be added considering there is enough space. A typical action from the hard disk would be sending information to a computer. The computer sends a message to the hard disk electronic board that a certain piece of data needs to be extracted. The electronic board gives the command to the arm to read the data stored on the platter. Once the heads on the arm reads the data, it sends the information back to the board, which sends it to the computer....
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- Spring '06