Turn on, turn off the hard drive:
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Manual copy machine
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Insert the disk into the drive, read the
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Double click computer mouse
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Environmental sounds, Office work, typewriter
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Sound signal of a bios computer, bios
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Fan noise, shutting, Turning on the computer
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Input error sound, Pressing a keypad
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Computer simulated laser
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Opens, disc read, closes the CD / DVD tray
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Fan noise, Turning on the laptop, shutting
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Removed, The USB flash drive is inserted
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Laser printer
★★★★★