Opens, closes the CD / DVD tray, disc read:
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Signal read information, Computer interface
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Repeatedly pressing a computer mouse
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Matrix printer
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Sound signal of a bios computer, bios
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Signals, Computer interface
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Computer mouse click
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Floppy disk reading
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Closes the CD / DVD tray, disc read, Opens
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Write, room noise, Hard disk, read
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Read the, Insert the disk into the drive
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Franking machine
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Opens, closes the CD / DVD tray
★★★★★