Computer mouse click:
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Insert the disk into the drive, read the
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Computer keyboard
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Input error sound, Pressing a keypad
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Old computer keyboard
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Computer simulated laser
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Hard disk, read, room noise, write
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Turn off the hard drive, Turn on
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Bios, Sound signal of a bios computer
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CD / DVD drive, disc read
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Franking machine
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Alarm, Computer interface
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Computer interface, signals
★★★★★