Hard disk, read, write, room noise:
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Computer mouse click
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Turn off the old computer, Turn on
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Write, Hard disk, read, room noise
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Shutting, Turning on the laptop, fan noise
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Laser printer
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Turn on, turn off the old monitor
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Repeatedly pressing a computer mouse
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Jet printer
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Computer mouse movement
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Opens, closes the CD / DVD tray
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Computer keyboard
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Alarm, Computer interface
★★★★★