Computer interface, signals:
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Office work, general noise
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Computer keyboard
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Bios, Sound signal of a bios computer
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Photocopy (photocopy)
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Double click computer mouse
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The USB flash drive is inserted, removed
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Closing the laptop cover, Opening
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Turn off the old monitor, Turn on
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Turn off the hard drive, Turn on
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Signal read information, Computer interface
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Floppy disk reading
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Pressing a keypad, input error sound
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