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Opening, closing the laptop cover
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Computer simulated laser
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Office work, general noise
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Opens, closes the CD / DVD tray, disc read
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Turning on the computer, shutting, fan noise
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Computer interface, signals
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Floppy disk reading
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Read the, Insert the disk into the drive
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Turn off the hard drive, Turn on
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Computer mouse click
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Repeatedly pressing a computer mouse
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Sound signal of a bios computer, bios
★★★★★