Computer interface, alarm:
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Computer mouse movement
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Photocopy (photocopy)
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Computer interface, alarm
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Computer interface, signals
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Shutting, fan noise, Turning on the laptop
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Computer simulated laser
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Computer mouse click
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Opens, disc read, closes the CD / DVD tray
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Repeatedly pressing a computer mouse
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Read the, Insert the disk into the drive
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Room noise, Hard disk, read, write
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Matrix printer
★★★★★