Modem connection, signal, interference:
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Computer interface, signals
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Typewriter, Office work, environmental sounds
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Computer mouse click
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Closes the CD / DVD tray, disc read, Opens
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Turn on, turn off the old monitor
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CD / DVD drive, disc read
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Turn off the hard drive, Turn on
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Repeatedly pressing a computer mouse
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Manual copy machine
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Bios, Sound signal of a bios computer
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Input error sound, Pressing a keypad
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Computer simulated laser
★★★★★
