Turn on, turn off the hard drive:
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Floppy disk reading
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Computer mouse click
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Computer noise, Communication room
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Signal, interference, Modem connection
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Matrix printer
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Computer interface, alarm
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Laser printer
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Photocopy (photocopy)
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Repeatedly pressing a computer mouse
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Removed, The USB flash drive is inserted
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Signals, Computer interface
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Insert the disk into the drive, read the
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