Computer simulated laser:
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Turn off the old computer, Turn on
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Computer keyboard
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Turning on the laptop, fan noise, shutting
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Sound signal of a bios computer, bios
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Environmental sounds, Office work, typewriter
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Insert the disk into the drive, read the
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Modem connection, signal, interference
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Computer mouse click
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Input error sound, Pressing a keypad
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Turn on, turn off the old monitor
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Alarm, Computer interface
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Matrix printer
★★★★★
