Turning on the computer, fan noise, shutting down:
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Bios, Sound signal of a bios computer
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Double click computer mouse
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Office work, general noise
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Matrix printer
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Removed, The USB flash drive is inserted
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Computer interface, signal read information
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Floppy disk reading
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Manual copy machine
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Computer mouse click
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Repeatedly pressing a computer mouse
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Typewriter, environmental sounds, Office work
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Computer keyboard
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