Opens, closes the CD / DVD tray:
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Turn on, turn off the old computer
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Office work, environmental sounds, typewriter
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Turn off the old monitor, Turn on
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Removed, The USB flash drive is inserted
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Laser printer
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Jet printer
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Opening, closing the laptop cover
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Computer mouse movement
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Communication room, computer noise
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Input error sound, Pressing a keypad
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Computer simulated laser
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Disc read, CD / DVD drive
★★★★★