Computer simulated laser:
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Repeatedly pressing a computer mouse
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Opens, disc read, closes the CD / DVD tray
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Pressing a keypad, input error sound
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Alarm, Computer interface
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Matrix printer
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Computer keyboard
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Closes the CD / DVD tray, Opens
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Removed, The USB flash drive is inserted
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Write, read, Hard disk, room noise
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Computer mouse click
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Turn on, turn off the old computer
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Communication room, computer noise
★★★★★