Opens, closes the CD / DVD tray:
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Input error sound, Pressing a keypad
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Turn on, turn off the old computer
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Turn off the old monitor, Turn on
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Double click computer mouse
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Computer mouse movement
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Fan noise, Turning on the laptop, shutting
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Matrix printer
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Disc read, CD / DVD drive
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Insert the disk into the drive, read the
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Office work, general noise
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Disc read, Opens, closes the CD / DVD tray
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Computer keyboard
★★★★★