Computer interface, signal read information:
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Turn on, turn off the hard drive
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Closing the laptop cover, Opening
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Photocopy (photocopy)
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Turning on the laptop, shutting, fan noise
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Closes the CD / DVD tray, disc read, Opens
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Removed, The USB flash drive is inserted
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Alarm, Computer interface
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Computer mouse click
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Input error sound, Pressing a keypad
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Repeatedly pressing a computer mouse
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Opens, closes the CD / DVD tray
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Manual copy machine
★★★★★