Hard disk, read, write, room noise:
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Communication room, computer noise
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Computer interface, signal read information
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Interference, signal, Modem connection
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Turn on, turn off the old monitor
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Shutting, fan noise, Turning on the computer
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Computer keyboard
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Insert the disk into the drive, read the
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Jet printer
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Pressing a keypad, input error sound
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Office work, general noise
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Photocopy (photocopy)
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Computer mouse click
★★★★★