The USB flash drive is inserted, removed from the usb connector:
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Computer interface, signals
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Computer interface, signal read information
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Matrix printer
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Bios, Sound signal of a bios computer
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Jet printer
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Opens, disc read, closes the CD / DVD tray
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General noise, Office work
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Turn on, turn off the old computer
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Floppy disk reading
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Opening, closing the laptop cover
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Laser printer
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Computer keyboard
★★★★★