Computer interface, signals:
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Bios, Sound signal of a bios computer
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Double click computer mouse
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Opens, closes the CD / DVD tray, disc read
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Closes the CD / DVD tray, Opens
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Jet printer
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Computer simulated laser
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Computer noise, Communication room
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Write, room noise, read, Hard disk
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Computer keyboard
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Computer interface, signals
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Matrix printer
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Repeatedly pressing a computer mouse
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