Pressing a keypad, input error sound:
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The USB flash drive is inserted, removed
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Computer noise, Communication room
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Photocopy (photocopy)
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Sound signal of a bios computer, bios
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Computer keyboard
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Office work, general noise
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Turn on, turn off the old computer
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Opens, closes the CD / DVD tray
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Computer mouse click
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Floppy disk reading
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Turn on, turn off the old monitor
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Pressing a keypad, input error sound
★★★★★