Computer mouse movement:
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CD / DVD drive, disc read
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Communication room, computer noise
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Typewriter, environmental sounds, Office work
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Turn off the old computer, Turn on
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Computer mouse movement
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Turning on the computer, shutting, fan noise
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Opens, closes the CD / DVD tray
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Shutting, Turning on the laptop, fan noise
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Signal, interference, Modem connection
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Room noise, read, write, Hard disk
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Computer interface, signal read information
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Alarm, Computer interface
★★★★★