Floppy disk reading:
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Office work, general noise
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Computer interface, signals
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Turning on the computer, shutting, fan noise
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Floppy disk reading
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Bios, Sound signal of a bios computer
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Signal, Modem connection, interference
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Franking machine
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Computer simulated laser
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Photocopy (photocopy)
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The USB flash drive is inserted, removed
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Computer interface, signal read information
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Opens, disc read, closes the CD / DVD tray
★★★★★