Computer interface, alarm:
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Turn off the hard drive, Turn on
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Jet printer
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Turning on the computer, shutting, fan noise
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Alarm, Computer interface
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Communication room, computer noise
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Sound signal of a bios computer, bios
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Floppy disk reading
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Insert the disk into the drive, read the
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Matrix printer
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Double click computer mouse
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Disc read, CD / DVD drive
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Repeatedly pressing a computer mouse
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