Computer simulated laser:
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Turn on, turn off the hard drive
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Matrix printer
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Signal read information, Computer interface
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Computer keyboard
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Franking machine
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Signal, interference, Modem connection
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CD / DVD drive, disc read
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Floppy disk reading
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Computer mouse click
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Read the, Insert the disk into the drive
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Turn off the old monitor, Turn on
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Computer mouse movement
★★★★★