Computer interface, signal read information:
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Computer mouse click
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Opening, closing the laptop cover
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Repeatedly pressing a computer mouse
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Matrix printer
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Shutting, Turning on the laptop, fan noise
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The USB flash drive is inserted, removed
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CD / DVD drive, disc read
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Closes the CD / DVD tray, Opens
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Photocopy (photocopy)
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Modem connection, interference, signal
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Double click computer mouse
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Computer mouse movement
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