Computer mouse click:
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Manual copy machine
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CD / DVD drive, disc read
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Turn on, turn off the old computer
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Bios, Sound signal of a bios computer
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Floppy disk reading
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Computer keyboard
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Signals, Computer interface
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Computer interface, signal read information
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Fan noise, shutting, Turning on the laptop
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Shutting, fan noise, Turning on the computer
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Computer noise, Communication room
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Alarm, Computer interface
★★★★★