The USB flash drive is inserted, removed from the usb connector:
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Input error sound, Pressing a keypad
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Turn off the old monitor, Turn on
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Fan noise, Turning on the computer, shutting
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The USB flash drive is inserted, removed
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Computer keyboard
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Matrix printer
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Opens, closes the CD / DVD tray
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Old computer keyboard
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Floppy disk reading
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Insert the disk into the drive, read the
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Computer interface, alarm
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Computer interface, signals
★★★★★