Turn on, turn off the old monitor:
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Closing the laptop cover, Opening
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Typewriter, environmental sounds, Office work
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Old computer keyboard
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Fan noise, shutting, Turning on the computer
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Signal, Modem connection, interference
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Computer interface, signal read information
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Removed, The USB flash drive is inserted
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Computer mouse click
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Alarm, Computer interface
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Room noise, write, Hard disk, read
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Computer mouse movement
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Turn on, turn off the old computer
★★★★★