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Turn on, turn off the old monitor
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Computer noise, Communication room
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Old computer keyboard
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Opening, closing the laptop cover
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Laser printer
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CD / DVD drive, disc read
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Insert the disk into the drive, read the
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Computer mouse click
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Signal, Modem connection, interference
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Signal read information, Computer interface
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Closes the CD / DVD tray, Opens
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Turn off the hard drive, Turn on
★★★★★