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Turning on the computer, fan noise, shutting
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Closes the CD / DVD tray, Opens
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Old computer keyboard
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Communication room, computer noise
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Computer mouse click
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Double click computer mouse
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CD / DVD drive, disc read
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Manual copy machine
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Alarm, Computer interface
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Turn off the old monitor, Turn on
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Turn off the old computer, Turn on
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Laser printer
★★★★★