CD / DVD drive, disc read:
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Removed, The USB flash drive is inserted
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Photocopy (photocopy)
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Computer mouse click
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Turn off the old computer, Turn on
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Double click computer mouse
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Insert the disk into the drive, read the
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Matrix printer
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Laser printer
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Computer simulated laser
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Bios, Sound signal of a bios computer
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Jet printer
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Computer noise, Communication room
★★★★★