Opens, closes the CD / DVD tray:
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Computer noise, Communication room
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Turn off the hard drive, Turn on
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Turn on, turn off the old computer
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Computer simulated laser
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Typewriter, Office work, environmental sounds
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Computer keyboard
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Jet printer
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Signal read information, Computer interface
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CD / DVD drive, disc read
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Fan noise, shutting, Turning on the computer
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Read the, Insert the disk into the drive
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Closes the CD / DVD tray, Opens
★★★★★