Old computer keyboard:
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Turning on the laptop, fan noise, shutting
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Turning on the computer, shutting, fan noise
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Insert the disk into the drive, read the
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Turn off the hard drive, Turn on
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Office work, general noise
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Pressing a keypad, input error sound
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Repeatedly pressing a computer mouse
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Disc read, CD / DVD drive
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Floppy disk reading
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Computer keyboard
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Signal read information, Computer interface
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Interference, Modem connection, signal
★★★★★