Sound signal of a bios computer, bios:
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Shutting, fan noise, Turning on the laptop
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Manual copy machine
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Write, Hard disk, read, room noise
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Computer keyboard
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Double click computer mouse
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Floppy disk reading
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Franking machine
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CD / DVD drive, disc read
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Old computer keyboard
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Signals, Computer interface
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Opens, closes the CD / DVD tray
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Computer simulated laser
★★★★★