CD / DVD drive, disc read:
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Bios, Sound signal of a bios computer
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Floppy disk reading
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Computer interface, alarm
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Manual copy machine
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Double click computer mouse
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Read, room noise, Hard disk, write
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Office work, typewriter, environmental sounds
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Communication room, computer noise
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Fan noise, shutting, Turning on the laptop
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Photocopy (photocopy)
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Turn off the old monitor, Turn on
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Closes the CD / DVD tray, Opens
★★★★★