Pressing a keypad, input error sound:
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Input error sound, Pressing a keypad
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Turn off the old computer, Turn on
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Computer simulated laser
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Photocopy (photocopy)
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Interference, Modem connection, signal
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Computer mouse click
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Fan noise, Turning on the computer, shutting
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Turning on the laptop, fan noise, shutting
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Matrix printer
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Turn off the old monitor, Turn on
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Signals, Computer interface
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Floppy disk reading
★★★★★