Opens, closes the CD / DVD tray, disc read:
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Old computer keyboard
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Turning on the computer, shutting, fan noise
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Computer mouse movement
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Signals, Computer interface
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Repeatedly pressing a computer mouse
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Shutting, fan noise, Turning on the laptop
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Manual copy machine
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Computer noise, Communication room
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Typewriter, environmental sounds, Office work
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Sound signal of a bios computer, bios
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Computer simulated laser
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Closes the CD / DVD tray, Opens
★★★★★