Floppy disk reading:
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Input error sound, Pressing a keypad
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Turn on, turn off the old computer
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The USB flash drive is inserted, removed
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Floppy disk reading
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Read the, Insert the disk into the drive
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Closing the laptop cover, Opening
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Signal, interference, Modem connection
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Bios, Sound signal of a bios computer
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Computer interface, alarm
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Disc read, Opens, closes the CD / DVD tray
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Signals, Computer interface
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Manual copy machine
★★★★★