Computer interface, signals:
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Interference, signal, Modem connection
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Fan noise, shutting, Turning on the computer
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Signals, Computer interface
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Computer mouse movement
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The USB flash drive is inserted, removed
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Alarm, Computer interface
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Repeatedly pressing a computer mouse
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Bios, Sound signal of a bios computer
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Laser printer
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CD / DVD drive, disc read
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Opening, closing the laptop cover
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Turn off the hard drive, Turn on
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