Modem connection, signal, interference:
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Input error sound, Pressing a keypad
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Repeatedly pressing a computer mouse
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Closing the laptop cover, Opening
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Read the, Insert the disk into the drive
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Laser printer
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Computer interface, alarm
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Jet printer
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Turn off the old computer, Turn on
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Typewriter, environmental sounds, Office work
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Read, room noise, write, Hard disk
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Old computer keyboard
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Shutting, Turning on the laptop, fan noise
★★★★★