Old computer keyboard:
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Closes the CD / DVD tray, disc read, Opens
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Insert the disk into the drive, read the
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Computer keyboard
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Interference, signal, Modem connection
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Pressing a keypad, input error sound
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Computer interface, alarm
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Computer noise, Communication room
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Floppy disk reading
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The USB flash drive is inserted, removed
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Jet printer
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Disc read, CD / DVD drive
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Turning on the laptop, fan noise, shutting
★★★★★