Double click computer mouse:
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Turn on, turn off the hard drive
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Communication room, computer noise
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Fan noise, Turning on the computer, shutting
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Floppy disk reading
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Pressing a keypad, input error sound
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Computer interface, signals
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Turn on, turn off the old monitor
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Computer interface, alarm
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Computer keyboard
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Insert the disk into the drive, read the
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Franking machine
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Repeatedly pressing a computer mouse
★★★★★