The USB flash drive is inserted, removed from the usb connector:
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Opens, closes the CD / DVD tray, disc read
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Sound signal of a bios computer, bios
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Jet printer
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Turn on, turn off the hard drive
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Matrix printer
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Disc read, CD / DVD drive
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Computer interface, signals
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Computer mouse movement
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Signal read information, Computer interface
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Computer keyboard
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Closes the CD / DVD tray, Opens
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Turn off the old computer, Turn on
★★★★★