Modem connection, signal, interference:
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Computer simulated laser
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Floppy disk reading
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Office work, general noise
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Turning on the computer, shutting, fan noise
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Closes the CD / DVD tray, Opens, disc read
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Photocopy (photocopy)
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Computer interface, signal read information
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Turn on, turn off the old monitor
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Repeatedly pressing a computer mouse
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Computer mouse movement
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Turn off the old computer, Turn on
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Computer keyboard
★★★★★