Computer interface, signal read information:
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Computer noise, Communication room
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Computer mouse movement
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Signal read information, Computer interface
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Environmental sounds, Office work, typewriter
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Turn on, turn off the hard drive
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Manual copy machine
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Photocopy (photocopy)
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Floppy disk reading
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Disc read, CD / DVD drive
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Computer simulated laser
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Turning on the computer, shutting, fan noise
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Turn on, turn off the old computer
★★★★★