Computer interface, alarm:
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Bios, Sound signal of a bios computer
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Computer simulated laser
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Opens, closes the CD / DVD tray, disc read
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Insert the disk into the drive, read the
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Opening, closing the laptop cover
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Fan noise, Turning on the laptop, shutting
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Write, room noise, read, Hard disk
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Turn off the hard drive, Turn on
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Signals, Computer interface
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Computer mouse movement
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Repeatedly pressing a computer mouse
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Manual copy machine
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