Computer simulated laser:
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Manual copy machine
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Repeatedly pressing a computer mouse
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Input error sound, Pressing a keypad
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Floppy disk reading
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Jet printer
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Closes the CD / DVD tray, Opens
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Turn off the hard drive, Turn on
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Old computer keyboard
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Photocopy (photocopy)
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Computer interface, signal read information
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Computer mouse movement
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Interference, Modem connection, signal
★★★★★