Communication room, computer noise:
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Closes the CD / DVD tray, Opens
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Signal read information, Computer interface
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Communication room, computer noise
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Computer interface, signals
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Read, write, Hard disk, room noise
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Disc read, CD / DVD drive
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Manual copy machine
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Repeatedly pressing a computer mouse
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Turn off the hard drive, Turn on
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Read the, Insert the disk into the drive
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Floppy disk reading
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Fan noise, shutting, Turning on the laptop
★★★★★