Modem connection, signal, interference:
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Floppy disk reading
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Closes the CD / DVD tray, Opens
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Repeatedly pressing a computer mouse
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Computer simulated laser
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Read, room noise, Hard disk, write
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Computer interface, signals
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Laser printer
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Franking machine
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Turn off the old monitor, Turn on
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Computer mouse movement
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Bios, Sound signal of a bios computer
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Turn off the old computer, Turn on
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