Computer mouse movement:
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Hard disk, read, room noise, write
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Signals, Computer interface
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Laser printer
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Old computer keyboard
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Repeatedly pressing a computer mouse
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Closes the CD / DVD tray, Opens
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Computer keyboard
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Alarm, Computer interface
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Interference, signal, Modem connection
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Sound signal of a bios computer, bios
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Turn off the old monitor, Turn on
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Opening, closing the laptop cover
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