Turn on, turn off the old computer:
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Opens, closes the CD / DVD tray
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Signal read information, Computer interface
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CD / DVD drive, disc read
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Manual copy machine
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Computer keyboard
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Insert the disk into the drive, read the
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Input error sound, Pressing a keypad
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Environmental sounds, Office work, typewriter
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Turn off the hard drive, Turn on
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Hard disk, read, room noise, write
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Turn on, turn off the old monitor
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Computer noise, Communication room
★★★★★