Sound signal of a bios computer, bios:
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Matrix printer
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Turning on the laptop, fan noise, shutting
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Removed, The USB flash drive is inserted
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Interference, Modem connection, signal
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Turn off the hard drive, Turn on
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Computer interface, signal read information
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Computer mouse click
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Input error sound, Pressing a keypad
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Floppy disk reading
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Sound signal of a bios computer, bios
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Franking machine
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Communication room, computer noise
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