Old computer keyboard:
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Hard disk, write, read, room noise
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Manual copy machine
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Alarm, Computer interface
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Floppy disk reading
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Computer noise, Communication room
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Input error sound, Pressing a keypad
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Sound signal of a bios computer, bios
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Computer interface, signals
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Old computer keyboard
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Franking machine
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Closes the CD / DVD tray, Opens
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Computer simulated laser
★★★★★