Modem connection, signal, interference:
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Laser printer
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Manual copy machine
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Alarm, Computer interface
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Office work, general noise
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Disc read, closes the CD / DVD tray, Opens
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Computer mouse click
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Old computer keyboard
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Removed, The USB flash drive is inserted
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Matrix printer
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Sound signal of a bios computer, bios
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Insert the disk into the drive, read the
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Turn on, turn off the hard drive
★★★★★