Computer interface, alarm:
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Interference, signal, Modem connection
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Disc read, CD / DVD drive
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Matrix printer
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Computer mouse movement
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Fan noise, Turning on the computer, shutting
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Jet printer
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Alarm, Computer interface
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Pressing a keypad, input error sound
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The USB flash drive is inserted, removed
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Turn off the old computer, Turn on
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Fan noise, Turning on the laptop, shutting
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Double click computer mouse
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