Computer interface, signals:
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Fan noise, Turning on the laptop, shutting
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Old computer keyboard
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Environmental sounds, typewriter, Office work
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Turn off the old computer, Turn on
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Opens, closes the CD / DVD tray
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Sound signal of a bios computer, bios
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Jet printer
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Computer noise, Communication room
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Turn off the hard drive, Turn on
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Read the, Insert the disk into the drive
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Turn on, turn off the old monitor
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Double click computer mouse
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