Modem connection, signal, interference:
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Insert the disk into the drive, read the
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Computer keyboard
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Signal, interference, Modem connection
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Hard disk, read, write, room noise
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Environmental sounds, Office work, typewriter
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Computer simulated laser
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Turn on, turn off the hard drive
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Computer interface, signal read information
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Fan noise, Turning on the laptop, shutting
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Disc read, CD / DVD drive
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Fan noise, shutting, Turning on the computer
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Bios, Sound signal of a bios computer
★★★★★